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https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_5
[938, 1]
[980, 7]
SC
case h3 P : Formula v : VarName ⊢ IsDeduct ∅ (((forall_ v P).imp_ (forall_ v P).not_.not_).imp_ ((forall_ v P).not_.not_.imp_ (forall_ v P)).not_).not_
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp only [Similar] at h1
P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
cases h1
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case intro P_u P_v : Formula u v : VarName left✝ : ¬isFreeIn v P_u right✝ : ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
cases h1_right
P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right : ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case intro P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u left✝ : ¬isFreeIn u P_v right✝ : fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
cases h1_right_right
P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right : fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case intro P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v left✝ : fastAdmits u v P_u right✝ : fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
cases h1_right_right_right
P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right : fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case intro P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u left✝ : fastAdmits v u P_v right✝ : P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
cases h1_right_right_right_right
P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right : P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case intro P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v left✝ : P_v = fastReplaceFree u v P_u right✝ : P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply IsDeduct.mp_ ((forall_ v P_v).imp_ (forall_ u P_u))
P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
case a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ ((forall_ u P_u).iff_ (forall_ v P_v))) case a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ ((forall_ v P_v).imp_ (forall_ u P_u))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply IsDeduct.mp_ ((forall_ u P_u).imp_ (forall_ v P_v))
case a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ ((forall_ u P_u).iff_ (forall_ v P_v)))
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ ((forall_ u P_u).iff_ (forall_ v P_v)))) case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ ((forall_ u P_u).imp_ (forall_ v P_v))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp only [def_iff_]
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ ((forall_ u P_u).iff_ (forall_ v P_v))))
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ (((forall_ u P_u).imp_ (forall_ v P_v)).and_ ((forall_ v P_v).imp_ (forall_ u P_u)))))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp only [def_and_]
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ (((forall_ u P_u).imp_ (forall_ v P_v)).and_ ((forall_ v P_v).imp_ (forall_ u P_u)))))
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ ((forall_ v P_v).imp_ (forall_ u P_u)).not_).not_))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
SC
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ (((forall_ v P_v).imp_ (forall_ u P_u)).imp_ (((forall_ u P_u).imp_ (forall_ v P_v)).imp_ ((forall_ v P_v).imp_ (forall_ u P_u)).not_).not_))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply deduction_theorem
case a.a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ ((forall_ u P_u).imp_ (forall_ v P_v))
case a.a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct (∅ ∪ {forall_ u P_u}) (forall_ v P_v)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct (∅ ∪ {forall_ u P_u}) (forall_ v P_v)
case a.a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ u P_u} (forall_ v P_v)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply generalization
case a.a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ u P_u} (forall_ v P_v)
case a.a.h1.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ u P_u} P_v case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ∀ H ∈ {forall_ u P_u}, ¬isFreeIn v H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
subst h1_right_right_right_right_left
case a.a.h1.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ u P_u} P_v
case a.a.h1.h1 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ IsDeduct {forall_ u P_u} (fastReplaceFree u v P_u)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply spec
case a.a.h1.h1 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ IsDeduct {forall_ u P_u} (fastReplaceFree u v P_u)
case a.a.h1.h1.h1 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ IsDeduct {forall_ u P_u} (forall_ u P_u) case a.a.h1.h1.h2 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ fastAdmits u v P_u
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply IsDeduct.assume_
case a.a.h1.h1.h1 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ IsDeduct {forall_ u P_u} (forall_ u P_u)
case a.a.h1.h1.h1.a P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ forall_ u P_u ∈ {forall_ u P_u}
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.a.h1.h1.h1.a P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ forall_ u P_u ∈ {forall_ u P_u}
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
exact h1_right_right_left
case a.a.h1.h1.h2 P_u : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_right_left : fastAdmits u v P_u h1_right_left : ¬isFreeIn u (fastReplaceFree u v P_u) h1_right_right_right_left : fastAdmits v u (fastReplaceFree u v P_u) h1_right_right_right_right_right : P_u = fastReplaceFree v u (fastReplaceFree u v P_u) ⊢ fastAdmits u v P_u
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
intro H a1
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ∀ H ∈ {forall_ u P_u}, ¬isFreeIn v H
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H ∈ {forall_ u P_u} ⊢ ¬isFreeIn v H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp at a1
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H ∈ {forall_ u P_u} ⊢ ¬isFreeIn v H
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H = forall_ u P_u ⊢ ¬isFreeIn v H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
subst a1
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H = forall_ u P_u ⊢ ¬isFreeIn v H
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v (forall_ u P_u)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp only [isFreeIn]
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v (forall_ u P_u)
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬(¬v = u ∧ isFreeIn v P_u)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬(¬v = u ∧ isFreeIn v P_u)
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬v = u → ¬isFreeIn v P_u
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
intro _
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬v = u → ¬isFreeIn v P_u
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v a✝ : ¬v = u ⊢ ¬isFreeIn v P_u
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
exact h1_left
case a.a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v a✝ : ¬v = u ⊢ ¬isFreeIn v P_u
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply deduction_theorem
case a P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct ∅ ((forall_ v P_v).imp_ (forall_ u P_u))
case a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct (∅ ∪ {forall_ v P_v}) (forall_ u P_u)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct (∅ ∪ {forall_ v P_v}) (forall_ u P_u)
case a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ v P_v} (forall_ u P_u)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply generalization
case a.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ v P_v} (forall_ u P_u)
case a.h1.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ v P_v} P_u case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ∀ H ∈ {forall_ v P_v}, ¬isFreeIn u H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
subst h1_right_right_right_right_right
case a.h1.h1 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ IsDeduct {forall_ v P_v} P_u
case a.h1.h1 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ IsDeduct {forall_ v P_v} (fastReplaceFree v u P_v)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply spec
case a.h1.h1 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ IsDeduct {forall_ v P_v} (fastReplaceFree v u P_v)
case a.h1.h1.h1 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ IsDeduct {forall_ v P_v} (forall_ v P_v) case a.h1.h1.h2 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ fastAdmits v u P_v
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
apply IsDeduct.assume_
case a.h1.h1.h1 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ IsDeduct {forall_ v P_v} (forall_ v P_v)
case a.h1.h1.h1.a P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ forall_ v P_v ∈ {forall_ v P_v}
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.h1.h1.h1.a P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ forall_ v P_v ∈ {forall_ v P_v}
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
exact h1_right_right_right_left
case a.h1.h1.h2 P_v : Formula u v : VarName h1_right_left : ¬isFreeIn u P_v h1_right_right_right_left : fastAdmits v u P_v h1_left : ¬isFreeIn v (fastReplaceFree v u P_v) h1_right_right_left : fastAdmits u v (fastReplaceFree v u P_v) h1_right_right_right_right_left : P_v = fastReplaceFree u v (fastReplaceFree v u P_v) ⊢ fastAdmits v u P_v
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
intro H a1
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ∀ H ∈ {forall_ v P_v}, ¬isFreeIn u H
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H ∈ {forall_ v P_v} ⊢ ¬isFreeIn u H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp at a1
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H ∈ {forall_ v P_v} ⊢ ¬isFreeIn u H
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H = forall_ v P_v ⊢ ¬isFreeIn u H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
subst a1
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v H : Formula a1 : H = forall_ v P_v ⊢ ¬isFreeIn u H
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn u (forall_ v P_v)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp only [isFreeIn]
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn u (forall_ v P_v)
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬(¬u = v ∧ isFreeIn u P_v)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
simp
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬(¬u = v ∧ isFreeIn u P_v)
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬u = v → ¬isFreeIn u P_v
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
intro _
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v ⊢ ¬u = v → ¬isFreeIn u P_v
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v a✝ : ¬u = v ⊢ ¬isFreeIn u P_v
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_6
[983, 1]
[1036, 36]
exact h1_right_left
case a.h1.h2 P_u P_v : Formula u v : VarName h1_left : ¬isFreeIn v P_u h1_right_left : ¬isFreeIn u P_v h1_right_right_left : fastAdmits u v P_u h1_right_right_right_left : fastAdmits v u P_v h1_right_right_right_right_left : P_v = fastReplaceFree u v P_u h1_right_right_right_right_right : P_u = fastReplaceFree v u P_v a✝ : ¬u = v ⊢ ¬isFreeIn u P_v
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_7
[1040, 1]
[1051, 13]
apply C_18_4 (forall_ u P_u) (forall_ v P_v) Q Q' Δ h2
P_u P_v Q Q' : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (forall_ u P_u) (forall_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q'
case h2 P_u P_v Q Q' : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (forall_ u P_u) (forall_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v)) case h3 P_u P_v Q Q' : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (forall_ u P_u) (forall_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_7
[1040, 1]
[1051, 13]
apply T_18_6 P_u P_v u v h3
case h2 P_u P_v Q Q' : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (forall_ u P_u) (forall_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsProof ((forall_ u P_u).iff_ (forall_ v P_v))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_7
[1040, 1]
[1051, 13]
exact h1
case h3 P_u P_v Q Q' : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (forall_ u P_u) (forall_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
simp only [Similar] at *
P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ Similar P_u.not_ P_v.not_ u v
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u.not_ ∧ ¬isFreeIn u P_v.not_ ∧ fastAdmits u v P_u.not_ ∧ fastAdmits v u P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
simp only [isFreeIn] at *
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u.not_ ∧ ¬isFreeIn u P_v.not_ ∧ fastAdmits u v P_u.not_ ∧ fastAdmits v u P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u.not_ ∧ fastAdmits v u P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
simp only [fastAdmits] at *
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u ∧ fastAdmits v u P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmits u v P_u.not_ ∧ fastAdmits v u P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u.not_ ∧ fastAdmitsAux v u ∅ P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
simp only [fastAdmitsAux] at *
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u.not_ ∧ fastAdmitsAux v u ∅ P_v.not_ ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
simp only [fastReplaceFree] at *
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v.not_ = fastReplaceFree u v P_u.not_ ∧ P_u.not_ = fastReplaceFree v u P_v.not_
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v.not_ = (fastReplaceFree u v P_u).not_ ∧ P_u.not_ = (fastReplaceFree v u P_v).not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.similar_not
[1054, 1]
[1065, 8]
tauto
P_u P_v : Formula u v : VarName h1 : ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v = fastReplaceFree u v P_u ∧ P_u = fastReplaceFree v u P_v ⊢ ¬isFreeIn v P_u ∧ ¬isFreeIn u P_v ∧ fastAdmitsAux u v ∅ P_u ∧ fastAdmitsAux v u ∅ P_v ∧ P_v.not_ = (fastReplaceFree u v P_u).not_ ∧ P_u.not_ = (fastReplaceFree v u P_v).not_
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
simp only [def_exists_]
P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsProof ((exists_ u P_u).iff_ (exists_ v P_v))
P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsProof ((forall_ u P_u.not_).not_.iff_ (forall_ v P_v.not_).not_)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
apply IsDeduct.mp_ ((forall_ u P_u.not_).iff_ (forall_ v P_v.not_))
P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsProof ((forall_ u P_u.not_).not_.iff_ (forall_ v P_v.not_).not_)
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ (((forall_ u P_u.not_).iff_ (forall_ v P_v.not_)).imp_ ((forall_ u P_u.not_).not_.iff_ (forall_ v P_v.not_).not_)) case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((forall_ u P_u.not_).iff_ (forall_ v P_v.not_))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
simp only [def_iff_]
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ (((forall_ u P_u.not_).iff_ (forall_ v P_v.not_)).imp_ ((forall_ u P_u.not_).not_.iff_ (forall_ v P_v.not_).not_))
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((((forall_ u P_u.not_).imp_ (forall_ v P_v.not_)).and_ ((forall_ v P_v.not_).imp_ (forall_ u P_u.not_))).imp_ (((forall_ u P_u.not_).not_.imp_ (forall_ v P_v.not_).not_).and_ ((forall_ v P_v.not_).not_.imp_ (forall_ u P_u.not_).not_)))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
simp only [def_and_]
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((((forall_ u P_u.not_).imp_ (forall_ v P_v.not_)).and_ ((forall_ v P_v.not_).imp_ (forall_ u P_u.not_))).imp_ (((forall_ u P_u.not_).not_.imp_ (forall_ v P_v.not_).not_).and_ ((forall_ v P_v.not_).not_.imp_ (forall_ u P_u.not_).not_)))
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((((forall_ u P_u.not_).imp_ (forall_ v P_v.not_)).imp_ ((forall_ v P_v.not_).imp_ (forall_ u P_u.not_)).not_).not_.imp_ (((forall_ u P_u.not_).not_.imp_ (forall_ v P_v.not_).not_).imp_ ((forall_ v P_v.not_).not_.imp_ (forall_ u P_u.not_).not_).not_).not_)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
SC
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((((forall_ u P_u.not_).imp_ (forall_ v P_v.not_)).imp_ ((forall_ v P_v.not_).imp_ (forall_ u P_u.not_)).not_).not_.imp_ (((forall_ u P_u.not_).not_.imp_ (forall_ v P_v.not_).not_).imp_ ((forall_ v P_v.not_).not_.imp_ (forall_ u P_u.not_).not_).not_).not_)
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
apply T_18_6
case a P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ IsDeduct ∅ ((forall_ u P_u.not_).iff_ (forall_ v P_v.not_))
case a.h1 P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ Similar P_u.not_ P_v.not_ u v
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_18_8
[1068, 1]
[1083, 37]
exact similar_not P_u P_v u v h1
case a.h1 P_u P_v : Formula u v : VarName h1 : Similar P_u P_v u v ⊢ Similar P_u.not_ P_v.not_ u v
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T18_9
[1086, 1]
[1098, 13]
apply C_18_4 (exists_ u P_u) (exists_ v P_v) Q Q' Δ h2
Q Q' P_u P_v : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (exists_ u P_u) (exists_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q'
case h2 Q Q' P_u P_v : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (exists_ u P_u) (exists_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsProof ((exists_ u P_u).iff_ (exists_ v P_v)) case h3 Q Q' P_u P_v : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (exists_ u P_u) (exists_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T18_9
[1086, 1]
[1098, 13]
exact T_18_8 P_u P_v u v h3
case h2 Q Q' P_u P_v : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (exists_ u P_u) (exists_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsProof ((exists_ u P_u).iff_ (exists_ v P_v))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T18_9
[1086, 1]
[1098, 13]
exact h1
case h3 Q Q' P_u P_v : Formula u v : VarName Δ : Set Formula h1 : IsDeduct Δ Q h2 : IsReplOfFormulaInFormula (exists_ u P_u) (exists_ v P_v) Q Q' h3 : Similar P_u P_v u v ⊢ IsDeduct Δ Q
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply IsDeduct.mp_ ((forall_ v P).imp_ P)
P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsProof ((forall_ v P).iff_ P)
case a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ (((forall_ v P).imp_ P).imp_ ((forall_ v P).iff_ P)) case a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((forall_ v P).imp_ P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply IsDeduct.mp_ (P.imp_ (forall_ v P))
case a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ (((forall_ v P).imp_ P).imp_ ((forall_ v P).iff_ P))
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ ((forall_ v P).iff_ P))) case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ (P.imp_ (forall_ v P))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
simp only [def_iff_]
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ ((forall_ v P).iff_ P)))
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ (((forall_ v P).imp_ P).and_ (P.imp_ (forall_ v P)))))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
simp only [def_and_]
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ (((forall_ v P).imp_ P).and_ (P.imp_ (forall_ v P)))))
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ (((forall_ v P).imp_ P).imp_ (P.imp_ (forall_ v P)).not_).not_))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
SC
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((P.imp_ (forall_ v P)).imp_ (((forall_ v P).imp_ P).imp_ (((forall_ v P).imp_ P).imp_ (P.imp_ (forall_ v P)).not_).not_))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply IsDeduct.axiom_
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ (P.imp_ (forall_ v P))
case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsAxiom (P.imp_ (forall_ v P))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
exact IsAxiom.pred_3_ v P h1
case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsAxiom (P.imp_ (forall_ v P))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply IsDeduct.axiom_
case a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsDeduct ∅ ((forall_ v P).imp_ P)
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsAxiom ((forall_ v P).imp_ P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply IsAxiom.pred_2_ v v P P
case a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ IsAxiom ((forall_ v P).imp_ P)
case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ fastAdmits v v P case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ fastReplaceFree v v P = P
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply fastAdmits_self
case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ fastAdmits v v P
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_1
[1101, 1]
[1119, 33]
apply fastReplaceFree_self
case a.a.a P : Formula v : VarName h1 : ¬isFreeIn v P ⊢ fastReplaceFree v v P = P
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
apply IsDeduct.mp_ ((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P)))
P : Formula u v : VarName ⊢ IsProof ((forall_ u (forall_ v P)).iff_ (forall_ v (forall_ u P)))
case a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ u (forall_ v P)).iff_ (forall_ v (forall_ u P)))) case a P : Formula u v : VarName ⊢ IsDeduct ∅ ((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P)))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
apply IsDeduct.mp_ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P)))
case a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ u (forall_ v P)).iff_ (forall_ v (forall_ u P))))
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ u (forall_ v P)).iff_ (forall_ v (forall_ u P))))) case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P)))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
simp only [def_iff_]
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ u (forall_ v P)).iff_ (forall_ v (forall_ u P)))))
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).and_ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))))))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
simp only [def_and_]
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).and_ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))))))
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).not_).not_))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
SC
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ (((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ (((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P))).imp_ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P))).not_).not_))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
apply T_17_10
case a.a P : Formula u v : VarName ⊢ IsDeduct ∅ ((forall_ v (forall_ u P)).imp_ (forall_ u (forall_ v P)))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_2
[1122, 1]
[1135, 18]
apply T_17_10
case a P : Formula u v : VarName ⊢ IsDeduct ∅ ((forall_ u (forall_ v P)).imp_ (forall_ v (forall_ u P)))
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_3
[1138, 1]
[1149, 5]
simp only [def_exists_]
P : Formula v : VarName ⊢ IsProof ((forall_ v P.not_).iff_ (exists_ v P).not_)
P : Formula v : VarName ⊢ IsProof ((forall_ v P.not_).iff_ (forall_ v P.not_).not_.not_)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_3
[1138, 1]
[1149, 5]
simp only [def_iff_]
P : Formula v : VarName ⊢ IsProof ((forall_ v P.not_).iff_ (forall_ v P.not_).not_.not_)
P : Formula v : VarName ⊢ IsProof (((forall_ v P.not_).imp_ (forall_ v P.not_).not_.not_).and_ ((forall_ v P.not_).not_.not_.imp_ (forall_ v P.not_)))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_3
[1138, 1]
[1149, 5]
simp only [def_and_]
P : Formula v : VarName ⊢ IsProof (((forall_ v P.not_).imp_ (forall_ v P.not_).not_.not_).and_ ((forall_ v P.not_).not_.not_.imp_ (forall_ v P.not_)))
P : Formula v : VarName ⊢ IsProof (((forall_ v P.not_).imp_ (forall_ v P.not_).not_.not_).imp_ ((forall_ v P.not_).not_.not_.imp_ (forall_ v P.not_)).not_).not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_3
[1138, 1]
[1149, 5]
SC
P : Formula v : VarName ⊢ IsProof (((forall_ v P.not_).imp_ (forall_ v P.not_).not_.not_).imp_ ((forall_ v P.not_).not_.not_.imp_ (forall_ v P.not_)).not_).not_
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply deduction_theorem
P : Formula u v : VarName ⊢ IsProof ((exists_ u (forall_ v P)).imp_ (forall_ v (exists_ u P)))
case h1 P : Formula u v : VarName ⊢ IsDeduct (∅ ∪ {exists_ u (forall_ v P)}) (forall_ v (exists_ u P))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp
case h1 P : Formula u v : VarName ⊢ IsDeduct (∅ ∪ {exists_ u (forall_ v P)}) (forall_ v (exists_ u P))
case h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (forall_ v (exists_ u P))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply generalization
case h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (forall_ v (exists_ u P))
case h1.h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (exists_ u P) case h1.h2 P : Formula u v : VarName ⊢ ∀ H ∈ {exists_ u (forall_ v P)}, ¬isFreeIn v H
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply rule_C (forall_ v P) (exists_ u P) u {exists_ u (forall_ v P)}
case h1.h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (exists_ u P)
case h1.h1.h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (exists_ u (forall_ v P)) case h1.h1.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (exists_ u P) case h1.h1.h3 P : Formula u v : VarName ⊢ ∀ H ∈ {exists_ u (forall_ v P)}, ¬isFreeIn u H case h1.h1.h4 P : Formula u v : VarName ⊢ ¬isFreeIn u (exists_ u P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply IsDeduct.assume_
case h1.h1.h1 P : Formula u v : VarName ⊢ IsDeduct {exists_ u (forall_ v P)} (exists_ u (forall_ v P))
case h1.h1.h1.a P : Formula u v : VarName ⊢ exists_ u (forall_ v P) ∈ {exists_ u (forall_ v P)}
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp
case h1.h1.h1.a P : Formula u v : VarName ⊢ exists_ u (forall_ v P) ∈ {exists_ u (forall_ v P)}
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply exists_intro P u u
case h1.h1.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (exists_ u P)
case h1.h1.h2.h1 P : Formula u v : VarName ⊢ fastAdmits u u P case h1.h1.h2.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (fastReplaceFree u u P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply fastAdmits_self
case h1.h1.h2.h1 P : Formula u v : VarName ⊢ fastAdmits u u P
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp only [fastReplaceFree_self]
case h1.h1.h2.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (fastReplaceFree u u P)
case h1.h1.h2.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) P
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply specId v
case h1.h1.h2.h2 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) P
case h1.h1.h2.h2.h1 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (forall_ v P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
apply IsDeduct.assume_
case h1.h1.h2.h2.h1 P : Formula u v : VarName ⊢ IsDeduct ({exists_ u (forall_ v P)} ∪ {forall_ v P}) (forall_ v P)
case h1.h1.h2.h2.h1.a P : Formula u v : VarName ⊢ forall_ v P ∈ {exists_ u (forall_ v P)} ∪ {forall_ v P}
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp
case h1.h1.h2.h2.h1.a P : Formula u v : VarName ⊢ forall_ v P ∈ {exists_ u (forall_ v P)} ∪ {forall_ v P}
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp
case h1.h1.h3 P : Formula u v : VarName ⊢ ∀ H ∈ {exists_ u (forall_ v P)}, ¬isFreeIn u H
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬isFreeIn u (exists_ u (forall_ v P))
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp only [def_exists_]
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬isFreeIn u (exists_ u (forall_ v P))
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬isFreeIn u (forall_ u (forall_ v P).not_).not_
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp only [isFreeIn]
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬isFreeIn u (forall_ u (forall_ v P).not_).not_
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬(¬True ∧ ¬u = v ∧ isFreeIn u P)
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp
case h1.h1.h3 P : Formula u v : VarName ⊢ ¬(¬True ∧ ¬u = v ∧ isFreeIn u P)
no goals
https://github.com/pthomas505/FOL.git
097a4abea51b641d144539b9a0f7516f3b9d818c
FOL/NV/Margaris/Fol.lean
FOL.NV.T_19_4
[1152, 1]
[1183, 9]
simp only [def_exists_]
case h1.h1.h4 P : Formula u v : VarName ⊢ ¬isFreeIn u (exists_ u P)
case h1.h1.h4 P : Formula u v : VarName ⊢ ¬isFreeIn u (forall_ u P.not_).not_