url
stringclasses
147 values
commit
stringclasses
147 values
file_path
stringlengths
7
101
full_name
stringlengths
1
94
start
stringlengths
6
10
end
stringlengths
6
11
tactic
stringlengths
1
11.2k
state_before
stringlengths
3
2.09M
state_after
stringlengths
6
2.09M
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.rtake_rtake
[19, 1]
[20, 95]
rw [rtake_eq_reverse_take_reverse, ← take_reverse, take_take, rtake_eq_reverse_take_reverse]
α : Type u_1 l✝ l' l₀ l₁ l₂ : List α a b : α m✝ n✝ n m : ℕ l : List α ⊢ (l.rtake m).rtake n = l.rtake (min n m)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.take_prefix_take
[37, 1]
[38, 91]
rw [prefix_iff_eq_take, length_take, take_take, min_right_comm, min_eq_left h, take_min]
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ h : m ≤ n ⊢ take m l <+: take n l
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.IsPrefix.take
[48, 1]
[49, 44]
rw [hl.eq_take]
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <+: l' h : l.length ≤ n ⊢ l <+: take n l'
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <+: l' h : l.length ≤ n ⊢ take l.length l' <+: take n l'
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.IsPrefix.take
[48, 1]
[49, 44]
exact take_prefix_take h
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <+: l' h : l.length ≤ n ⊢ take l.length l' <+: take n l'
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.IsSuffix.rtake
[51, 1]
[52, 47]
rw [hl.eq_rtake]
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <:+ l' h : l.length ≤ n ⊢ l <:+ l'.rtake n
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <:+ l' h : l.length ≤ n ⊢ l'.rtake l.length <:+ l'.rtake n
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.IsSuffix.rtake
[51, 1]
[52, 47]
exact rtake_suffix_rtake h
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l <:+ l' h : l.length ≤ n ⊢ l'.rtake l.length <:+ l'.rtake n
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
induction' l₀ with a l₀ ih generalizing n l₂
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l₀ <+ l₂ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n
case nil α : Type u_1 l l' l₁ : List α a b : α m : ℕ l₂ : List α n : ℕ hl : [] <+ l₂ h₀ : [].length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, [] <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n case cons α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α n : ℕ hl : a :: l₀ <+ l₂ h₀ : (a :: l₀).length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
cases n
case cons α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α n : ℕ hl : a :: l₀ <+ l₂ h₀ : (a :: l₀).length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n
case cons.zero α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α hl : a :: l₀ <+ l₂ h₀ : (a :: l₀).length ≤ 0 h₂ : 0 ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = 0 case cons.succ α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α hl : a :: l₀ <+ l₂ n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 h₂ : n✝ + 1 ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n✝ + 1
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
cases' l₂ with b l₂
case cons.succ α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α hl : a :: l₀ <+ l₂ n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 h₂ : n✝ + 1 ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n✝ + 1
case cons.succ.nil α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 hl : a :: l₀ <+ [] h₂ : n✝ + 1 ≤ [].length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ [] ∧ l₁.length = n✝ + 1 case cons.succ.cons α : Type u_1 l l' l₁ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 b : α l₂ : List α hl : a :: l₀ <+ b :: l₂ h₂ : n✝ + 1 ≤ (b :: l₂).length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ b :: l₂ ∧ l₁.length = n✝ + 1
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
obtain ⟨l₁, h₀₁, h₁₂, rfl⟩ := ih sorry (Nat.succ_le_succ_iff.1 h₀) (Nat.le_of_succ_le h₂)
case cons.succ.cons α : Type u_1 l l' l₁ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 b : α l₂ : List α hl : a :: l₀ <+ b :: l₂ h₂ : n✝ + 1 ≤ (b :: l₂).length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ b :: l₂ ∧ l₁.length = n✝ + 1
case cons.succ.cons.intro.intro.intro α : Type u_1 l l' l₁✝ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n b : α l₂ : List α hl : a :: l₀ <+ b :: l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₁₂ : l₁ <+ b :: l₂ h₀ : (a :: l₀).length ≤ l₁.length + 1 h₂ : l₁.length + 1 ≤ (b :: l₂).length ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ b :: l₂ ∧ l₁_1.length = l₁.length + 1
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
rw [cons_sublist_cons_iff'] at hl
case cons.succ.cons.intro.intro.intro α : Type u_1 l l' l₁✝ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n b : α l₂ : List α hl : a :: l₀ <+ b :: l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₁₂ : l₁ <+ b :: l₂ h₀ : (a :: l₀).length ≤ l₁.length + 1 h₂ : l₁.length + 1 ≤ (b :: l₂).length ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ b :: l₂ ∧ l₁_1.length = l₁.length + 1
case cons.succ.cons.intro.intro.intro α : Type u_1 l l' l₁✝ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n b : α l₂ : List α hl : a :: l₀ <+ l₂ ∨ a = b ∧ l₀ <+ l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₁₂ : l₁ <+ b :: l₂ h₀ : (a :: l₀).length ≤ l₁.length + 1 h₂ : l₁.length + 1 ≤ (b :: l₂).length ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ b :: l₂ ∧ l₁_1.length = l₁.length + 1
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
obtain hl | ⟨rfl, hl⟩ := hl
case cons.succ.cons.intro.intro.intro α : Type u_1 l l' l₁✝ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n b : α l₂ : List α hl : a :: l₀ <+ l₂ ∨ a = b ∧ l₀ <+ l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₁₂ : l₁ <+ b :: l₂ h₀ : (a :: l₀).length ≤ l₁.length + 1 h₂ : l₁.length + 1 ≤ (b :: l₂).length ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ b :: l₂ ∧ l₁_1.length = l₁.length + 1
case cons.succ.cons.intro.intro.intro.inl α : Type u_1 l l' l₁✝ : List α a✝ b✝ : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n b : α l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₁₂ : l₁ <+ b :: l₂ h₀ : (a :: l₀).length ≤ l₁.length + 1 h₂ : l₁.length + 1 ≤ (b :: l₂).length hl : a :: l₀ <+ l₂ ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ b :: l₂ ∧ l₁_1.length = l₁.length + 1 case cons.succ.cons.intro.intro.intro.inr.intro α : Type u_1 l l' l₁✝ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ l₁ : List α h₀₁ : l₀ <+ l₁ h₀ : (a :: l₀).length ≤ l₁.length + 1 hl : l₀ <+ l₂ h₁₂ : l₁ <+ a :: l₂ h₂ : l₁.length + 1 ≤ (a :: l₂).length ⊢ ∃ l₁_1, a :: l₀ <+ l₁_1 ∧ l₁_1 <+ a :: l₂ ∧ l₁_1.length = l₁.length + 1
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
exact (exists_sublist_length_eq h₂).imp (fun l₁ h ↦ ⟨nil_sublist _, h⟩)
case nil α : Type u_1 l l' l₁ : List α a b : α m : ℕ l₂ : List α n : ℕ hl : [] <+ l₂ h₀ : [].length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, [] <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
cases h₀
case cons.zero α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n l₂ : List α hl : a :: l₀ <+ l₂ h₀ : (a :: l₀).length ≤ 0 h₂ : 0 ≤ l₂.length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Sublist.exists_intermediate
[71, 1]
[84, 23]
cases h₂
case cons.succ.nil α : Type u_1 l l' l₁ : List α a✝ b : α m : ℕ a : α l₀ : List α ih : ∀ {l₂ : List α} {n : ℕ}, l₀ <+ l₂ → l₀.length ≤ n → n ≤ l₂.length → ∃ l₁, l₀ <+ l₁ ∧ l₁ <+ l₂ ∧ l₁.length = n n✝ : ℕ h₀ : (a :: l₀).length ≤ n✝ + 1 hl : a :: l₀ <+ [] h₂ : n✝ + 1 ≤ [].length ⊢ ∃ l₁, a :: l₀ <+ l₁ ∧ l₁ <+ [] ∧ l₁.length = n✝ + 1
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Subperm.exists_intermediate
[86, 1]
[90, 45]
obtain ⟨l₀', hl₀, hl'⟩ := hl
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hl : l₀ <+~ l₂ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length ⊢ ∃ l₁, l₀ <+~ l₁ ∧ l₁ <+~ l₂ ∧ l₁.length = n
case intro.intro α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length l₀' : List α hl₀ : l₀' ~ l₀ hl' : l₀' <+ l₂ ⊢ ∃ l₁, l₀ <+~ l₁ ∧ l₁ <+~ l₂ ∧ l₁.length = n
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Subperm.exists_intermediate
[86, 1]
[90, 45]
obtain ⟨l₁, h₀₁, h₁₂, hn⟩ := hl'.exists_intermediate (hl₀.length_eq.trans_le h₀) h₂
case intro.intro α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length l₀' : List α hl₀ : l₀' ~ l₀ hl' : l₀' <+ l₂ ⊢ ∃ l₁, l₀ <+~ l₁ ∧ l₁ <+~ l₂ ∧ l₁.length = n
case intro.intro.intro.intro.intro α : Type u_1 l l' l₀ l₁✝ l₂ : List α a b : α m n : ℕ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length l₀' : List α hl₀ : l₀' ~ l₀ hl' : l₀' <+ l₂ l₁ : List α h₀₁ : l₀' <+ l₁ h₁₂ : l₁ <+ l₂ hn : l₁.length = n ⊢ ∃ l₁, l₀ <+~ l₁ ∧ l₁ <+~ l₂ ∧ l₁.length = n
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.Subperm.exists_intermediate
[86, 1]
[90, 45]
exact ⟨l₁, ⟨_, hl₀, h₀₁⟩, h₁₂.subperm, hn⟩
case intro.intro.intro.intro.intro α : Type u_1 l l' l₀ l₁✝ l₂ : List α a b : α m n : ℕ h₀ : l₀.length ≤ n h₂ : n ≤ l₂.length l₀' : List α hl₀ : l₀' ~ l₀ hl' : l₀' <+ l₂ l₁ : List α h₀₁ : l₀' <+ l₁ h₁₂ : l₁ <+ l₂ hn : l₁.length = n ⊢ ∃ l₁, l₀ <+~ l₁ ∧ l₁ <+~ l₂ ∧ l₁.length = n
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/Mathlib/Data/List/DropRight.lean
List.exists_subperm_length_eq
[92, 1]
[93, 65]
simpa using nil_subperm.exists_intermediate (Nat.zero_le _) hn
α : Type u_1 l l' l₀ l₁ l₂ : List α a b : α m n : ℕ hn : n ≤ l.length ⊢ ∃ l', l' <+~ l ∧ l'.length = n
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_single
[25, 1]
[26, 81]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P : R[X] r : R s : S ⊢ discConv (fun₀ | r => s) P = s • P.comp (X + C r)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_zero
[28, 1]
[28, 82]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P : R[X] w : R →₀ S ⊢ discConv w 0 = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_add
[30, 1]
[31, 75]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P Q : R[X] ⊢ discConv w (P + Q) = discConv w P + discConv w Q
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sub
[33, 1]
[34, 85]
simp [discConv, smul_sub]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P Q : R[X] ⊢ discConv w (P - Q) = discConv w P - discConv w Q
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_neg
[36, 1]
[37, 18]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P : R[X] ⊢ discConv w (-P) = -discConv w P
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sum
[39, 1]
[41, 64]
simp [discConv, smul_sum, Finsupp.sum]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S s : Finset ι P : ι → R[X] ⊢ discConv w (∑ i ∈ s, P i) = ∑ i ∈ s, discConv w (P i)
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S s : Finset ι P : ι → R[X] ⊢ ∑ x ∈ w.support, ∑ x_1 ∈ s, w x • (P x_1).comp (X + C x) = ∑ x ∈ s, ∑ x_1 ∈ w.support, w x_1 • (P x).comp (X + C x_1)
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sum
[39, 1]
[41, 64]
exact Finset.sum_comm
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S s : Finset ι P : ι → R[X] ⊢ ∑ x ∈ w.support, ∑ x_1 ∈ s, w x • (P x_1).comp (X + C x) = ∑ x ∈ s, ∑ x_1 ∈ w.support, w x_1 • (P x).comp (X + C x_1)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_zero_weight
[43, 1]
[43, 98]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] ⊢ discConv 0 P = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_add_weight
[45, 1]
[47, 56]
simp
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : R →₀ S P : R[X] ⊢ ∀ (a : R), 0 • P.comp (X + C a) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_add_weight
[45, 1]
[47, 56]
simp [add_smul]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : R →₀ S P : R[X] ⊢ ∀ (a : R) (b₁ b₂ : S), (b₁ + b₂) • P.comp (X + C a) = b₁ • P.comp (X + C a) + b₂ • P.comp (X + C a)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sub_weight
[49, 1]
[50, 99]
simp [sub_smul]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : R →₀ S P : R[X] ⊢ ∀ (a : R) (b₁ b₂ : S), (b₁ - b₂) • P.comp (X + C a) = b₁ • P.comp (X + C a) - b₂ • P.comp (X + C a)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_neg_weight
[52, 1]
[53, 63]
simp
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P : R[X] ⊢ ∀ (a : R), 0 • P.comp (X + C a) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_neg_weight
[52, 1]
[53, 63]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P : R[X] ⊢ (w.sum fun a b => -b • P.comp (X + C a)) = -discConv w P
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sum_weight
[55, 1]
[57, 56]
simp
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] s : Finset ι w : ι → R →₀ S P : R[X] ⊢ ∀ (i : R), 0 • P.comp (X + C i) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_sum_weight
[55, 1]
[57, 56]
simp [add_smul]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] s : Finset ι w : ι → R →₀ S P : R[X] ⊢ ∀ (i : R) (x y : S), (x + y) • P.comp (X + C i) = x • P.comp (X + C i) + y • P.comp (X + C i)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.eval_discConv
[59, 1]
[61, 47]
simp [discConv, Finsupp.sum,eval_finset_sum]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P : R[X] x : R ⊢ eval x (discConv w P) = w.sum fun r s => s • eval (x + r) P
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.eval_discForwardDiff
[63, 1]
[65, 72]
simp_rw [discForwardDiff, discConv_sub_weight, discConv_single]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x P.discForwardDiff = eval (x + 1) P - eval x P
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x (1 • P.comp (X + C 1) - 1 • P.comp (X + C 0)) = eval (x + 1) P - eval x P
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.eval_discForwardDiff
[63, 1]
[65, 72]
simp
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x (1 • P.comp (X + C 1) - 1 • P.comp (X + C 0)) = eval (x + 1) P - eval x P
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.eval_discBackwardDiff
[67, 1]
[69, 90]
simp_rw [discBackwardDiff, discConv_sub_weight, discConv_single]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x P.discBackwardDiff = eval x P - eval (x - 1) P
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x (1 • P.comp (X + C 0) - 1 • P.comp (X + C (-1))) = eval x P - eval (x - 1) P
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.eval_discBackwardDiff
[67, 1]
[69, 90]
simp [sub_eq_add_neg]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w : R →₀ S P✝ P : R[X] x : R ⊢ eval x (1 • P.comp (X + C 0) - 1 • P.comp (X + C (-1))) = eval x P - eval (x - 1) P
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_discConv
[71, 1]
[76, 8]
simp [discConv]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : AddMonoidAlgebra S R P : R[X] ⊢ discConv v (discConv w P) = discConv (v * w) P
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : AddMonoidAlgebra S R P : R[X] ⊢ (Finsupp.sum v fun r s => s • (Finsupp.sum w fun r s => s • P.comp (X + C r)).comp (X + C r)) = Finsupp.sum (v * w) fun r s => s • P.comp (X + C r)
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discConv_discConv
[71, 1]
[76, 8]
sorry
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] v w : AddMonoidAlgebra S R P : R[X] ⊢ (Finsupp.sum v fun r s => s • (Finsupp.sum w fun r s => s • P.comp (X + C r)).comp (X + C r)) = Finsupp.sum (v * w) fun r s => s • P.comp (X + C r)
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.coeff_discConv_natDegree
[78, 1]
[80, 8]
sorry
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝² : CommRing R inst✝¹ : CommRing S inst✝ : Algebra S R w✝ : R →₀ S P✝ : R[X] w : R →₀ S P : R[X] ⊢ (discConv w P).coeff P.natDegree = (w.sum fun x => id) • P.leadingCoeff
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discForwardDiff_aux
[84, 1]
[86, 62]
classical simp [Finsupp.sum_sub_index, -Finsupp.single_neg]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝³ : CommRing R inst✝² : CommRing S inst✝¹ : Algebra S R w : R →₀ S P : R[X] inst✝ : Nontrivial S ⊢ (((fun₀ | 1 => 1) - fun₀ | 0 => 1).sum fun x => id) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discForwardDiff_aux
[84, 1]
[86, 62]
simp [Finsupp.sum_sub_index, -Finsupp.single_neg]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝³ : CommRing R inst✝² : CommRing S inst✝¹ : Algebra S R w : R →₀ S P : R[X] inst✝ : Nontrivial S ⊢ (((fun₀ | 1 => 1) - fun₀ | 0 => 1).sum fun x => id) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discBackwardDiff_aux
[88, 1]
[90, 62]
classical simp [Finsupp.sum_sub_index, -Finsupp.single_neg]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝³ : CommRing R inst✝² : CommRing S inst✝¹ : Algebra S R w : R →₀ S P : R[X] inst✝ : Nontrivial S ⊢ (((fun₀ | 0 => 1) - fun₀ | -1 => 1).sum fun x => id) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.discBackwardDiff_aux
[88, 1]
[90, 62]
simp [Finsupp.sum_sub_index, -Finsupp.single_neg]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝³ : CommRing R inst✝² : CommRing S inst✝¹ : Algebra S R w : R →₀ S P : R[X] inst✝ : Nontrivial S ⊢ (((fun₀ | 0 => 1) - fun₀ | -1 => 1).sum fun x => id) = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.natDegree_discConv_le
[94, 1]
[99, 24]
refine' (natDegree_sum_le _ _).trans $ Finset.sup_le fun r _ ↦ _
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R ⊢ (discConv w P).natDegree ≤ P.natDegree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (natDegree ∘ fun a => (fun r s => s • P.comp (X + C r)) a (w a)) r ≤ P.natDegree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.natDegree_discConv_le
[94, 1]
[99, 24]
dsimp
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (natDegree ∘ fun a => (fun r s => s • P.comp (X + C r)) a (w a)) r ≤ P.natDegree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (w r • P.comp (X + C r)).natDegree ≤ P.natDegree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.natDegree_discConv_le
[94, 1]
[99, 24]
simp_rw [algebra_compatible_smul R (w r)]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (w r • P.comp (X + C r)).natDegree ≤ P.natDegree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ ((algebraMap S R) (w r) • P.comp (X + C r)).natDegree ≤ P.natDegree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.natDegree_discConv_le
[94, 1]
[99, 24]
refine (natDegree_smul_le _ _).trans ?_
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ ((algebraMap S R) (w r) • P.comp (X + C r)).natDegree ≤ P.natDegree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (P.comp (X + C r)).natDegree ≤ P.natDegree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.natDegree_discConv_le
[94, 1]
[99, 24]
simp [natDegree_comp]
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R r : R x✝ : r ∈ w.support ⊢ (P.comp (X + C r)).natDegree ≤ P.natDegree
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_le
[101, 1]
[105, 30]
obtain rfl | hP := eq_or_ne P 0
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R ⊢ (discConv w P).degree ≤ P.degree
case inl ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R ⊢ (discConv w 0).degree ≤ degree 0 case inr ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hP : P ≠ 0 ⊢ (discConv w P).degree ≤ P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_le
[101, 1]
[105, 30]
refine degree_le_natDegree.trans $ (Nat.cast_le.2 natDegree_discConv_le).trans ?_
case inr ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hP : P ≠ 0 ⊢ (discConv w P).degree ≤ P.degree
case inr ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hP : P ≠ 0 ⊢ ↑P.natDegree ≤ P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_le
[101, 1]
[105, 30]
rw [degree_eq_natDegree hP]
case inr ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hP : P ≠ 0 ⊢ ↑P.natDegree ≤ P.degree
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_le
[101, 1]
[105, 30]
simp
case inl ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R ⊢ (discConv w 0).degree ≤ degree 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_lt
[108, 1]
[115, 8]
have := coeff_discConv_natDegree w P
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 ⊢ (discConv w P).degree < P.degree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = (w.sum fun x => id) • P.leadingCoeff ⊢ (discConv w P).degree < P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_lt
[108, 1]
[115, 8]
rw [hw, zero_smul] at this
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = (w.sum fun x => id) • P.leadingCoeff ⊢ (discConv w P).degree < P.degree
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ (discConv w P).degree < P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_lt
[108, 1]
[115, 8]
refine' (degree_sum_le _ _).trans_lt $ (Finset.sup_lt_iff _).2 _
ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ (discConv w P).degree < P.degree
case refine'_1 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ⊥ < P.degree case refine'_2 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ∀ b ∈ w.support, ((fun r s => s • P.comp (X + C r)) b (w b)).degree < P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_lt
[108, 1]
[115, 8]
sorry
case refine'_1 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ⊥ < P.degree case refine'_2 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ∀ b ∈ w.support, ((fun r s => s • P.comp (X + C r)) b (w b)).degree < P.degree
case refine'_2 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ∀ b ∈ w.support, ((fun r s => s • P.comp (X + C r)) b (w b)).degree < P.degree
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/DiscreteDeriv.lean
Polynomial.degree_discConv_lt
[108, 1]
[115, 8]
sorry
case refine'_2 ι : Type u_1 R : Type u_2 S : Type u_3 inst✝⁵ : CommRing R inst✝⁴ : CommRing S inst✝³ : Algebra S R w : R →₀ S P : R[X] inst✝² : Nontrivial S inst✝¹ : NoZeroDivisors R inst✝ : Nontrivial R hw : (w.sum fun x => id) = 0 hP : P ≠ 0 this : (discConv w P).coeff P.natDegree = 0 ⊢ ∀ b ∈ w.support, ((fun r s => s • P.comp (X + C r)) b (w b)).degree < P.degree
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.mem_certificator
[45, 1]
[50, 37]
rw [certificator, mem_filter, and_iff_right_of_imp]
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ a ∈ s □ t ↔ ∃ x y, IsCompl x y ∧ (∀ ⦃b : α⦄, a ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ y = b ⊓ y → b ∈ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ (∃ x y, IsCompl x y ∧ (∀ ⦃b : α⦄, a ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ y = b ⊓ y → b ∈ t) → a ∈ s ∩ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.mem_certificator
[45, 1]
[50, 37]
rintro ⟨u, v, _, hu, hv⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ (∃ x y, IsCompl x y ∧ (∀ ⦃b : α⦄, a ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ y = b ⊓ y → b ∈ t) → a ∈ s ∩ t
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a u v : α left✝ : IsCompl u v hu : ∀ ⦃b : α⦄, a ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, a ⊓ v = b ⊓ v → b ∈ t ⊢ a ∈ s ∩ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.mem_certificator
[45, 1]
[50, 37]
exact mem_inter.2 ⟨hu rfl, hv rfl⟩
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a u v : α left✝ : IsCompl u v hu : ∀ ⦃b : α⦄, a ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, a ⊓ v = b ⊓ v → b ∈ t ⊢ a ∈ s ∩ t
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_subset_disjSups
[54, 1]
[59, 57]
simp_rw [subset_iff, mem_certificator, mem_disjSups]
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ s □ t ⊆ s ○ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ ∀ ⦃x : α⦄, (∃ x_1 y, IsCompl x_1 y ∧ (∀ ⦃b : α⦄, x ⊓ x_1 = b ⊓ x_1 → b ∈ s) ∧ ∀ ⦃b : α⦄, x ⊓ y = b ⊓ y → b ∈ t) → ∃ a ∈ s, ∃ b ∈ t, Disjoint a b ∧ a ⊔ b = x
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_subset_disjSups
[54, 1]
[59, 57]
rintro x ⟨u, v, huv, hu, hv⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ ∀ ⦃x : α⦄, (∃ x_1 y, IsCompl x_1 y ∧ (∀ ⦃b : α⦄, x ⊓ x_1 = b ⊓ x_1 → b ∈ s) ∧ ∀ ⦃b : α⦄, x ⊓ y = b ⊓ y → b ∈ t) → ∃ a ∈ s, ∃ b ∈ t, Disjoint a b ∧ a ⊔ b = x
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a x u v : α huv : IsCompl u v hu : ∀ ⦃b : α⦄, x ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, x ⊓ v = b ⊓ v → b ∈ t ⊢ ∃ a ∈ s, ∃ b ∈ t, Disjoint a b ∧ a ⊔ b = x
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_subset_disjSups
[54, 1]
[59, 57]
refine' ⟨x ⊓ u, hu (inf_right_idem _ _).symm, x ⊓ v, hv (inf_right_idem _ _).symm, huv.disjoint.mono inf_le_right inf_le_right, _⟩
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a x u v : α huv : IsCompl u v hu : ∀ ⦃b : α⦄, x ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, x ⊓ v = b ⊓ v → b ∈ t ⊢ ∃ a ∈ s, ∃ b ∈ t, Disjoint a b ∧ a ⊔ b = x
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a x u v : α huv : IsCompl u v hu : ∀ ⦃b : α⦄, x ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, x ⊓ v = b ⊓ v → b ∈ t ⊢ x ⊓ u ⊔ x ⊓ v = x
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_subset_disjSups
[54, 1]
[59, 57]
rw [← inf_sup_left, huv.codisjoint.eq_top, inf_top_eq]
case intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u✝ : Finset α a x u v : α huv : IsCompl u v hu : ∀ ⦃b : α⦄, x ⊓ u = b ⊓ u → b ∈ s hv : ∀ ⦃b : α⦄, x ⊓ v = b ⊓ v → b ∈ t ⊢ x ⊓ u ⊔ x ⊓ v = x
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_comm
[63, 1]
[64, 75]
ext s
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α ⊢ s □ t = t □ s
case a α : Type u_1 inst✝ : BooleanAlgebra α s✝ t u : Finset α a s : α ⊢ s ∈ s✝ □ t ↔ s ∈ t □ s✝
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_comm
[63, 1]
[64, 75]
rw [mem_certificator, exists_comm]
case a α : Type u_1 inst✝ : BooleanAlgebra α s✝ t u : Finset α a s : α ⊢ s ∈ s✝ □ t ↔ s ∈ t □ s✝
case a α : Type u_1 inst✝ : BooleanAlgebra α s✝ t u : Finset α a s : α ⊢ (∃ b a, IsCompl a b ∧ (∀ ⦃b : α⦄, s ⊓ a = b ⊓ a → b ∈ s✝) ∧ ∀ ⦃b_1 : α⦄, s ⊓ b = b_1 ⊓ b → b_1 ∈ t) ↔ s ∈ t □ s✝
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.certificator_comm
[63, 1]
[64, 75]
simp [isCompl_comm, and_comm]
case a α : Type u_1 inst✝ : BooleanAlgebra α s✝ t u : Finset α a s : α ⊢ (∃ b a, IsCompl a b ∧ (∀ ⦃b : α⦄, s ⊓ a = b ⊓ a → b ∈ s✝) ∧ ∀ ⦃b_1 : α⦄, s ⊓ b = b_1 ⊓ b → b_1 ∈ t) ↔ s ∈ t □ s✝
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_inter
[66, 1]
[72, 59]
refine' certificator_subset_inter.antisymm fun a ha ↦ mem_certificator.2 ⟨a, aᶜ, isCompl_compl, _⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t ⊢ s □ t = s ∩ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∩ t ⊢ (∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_inter
[66, 1]
[72, 59]
rw [mem_inter] at ha
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∩ t ⊢ (∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_inter
[66, 1]
[72, 59]
simp only [@eq_comm _ ⊥, ← sdiff_eq, inf_idem, right_eq_inf, _root_.sdiff_self, sdiff_eq_bot_iff]
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ≤ b → b ∈ s) ∧ ∀ ⦃b : α⦄, b ≤ a → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_inter
[66, 1]
[72, 59]
exact ⟨fun b hab ↦ hs hab ha.1, fun b hab ↦ ht hab ha.2⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsLowerSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ≤ b → b ∈ s) ∧ ∀ ⦃b : α⦄, b ≤ a → b ∈ t
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsLowerSet.certificator_eq_inter
[74, 1]
[80, 59]
refine' certificator_subset_inter.antisymm fun a ha ↦ mem_certificator.2 ⟨aᶜ, a, isCompl_compl.symm, _⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t ⊢ s □ t = s ∩ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∩ t ⊢ (∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsLowerSet.certificator_eq_inter
[74, 1]
[80, 59]
rw [mem_inter] at ha
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∩ t ⊢ (∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsLowerSet.certificator_eq_inter
[74, 1]
[80, 59]
simp only [@eq_comm _ ⊥, ← sdiff_eq, inf_idem, right_eq_inf, _root_.sdiff_self, sdiff_eq_bot_iff]
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, a ⊓ aᶜ = b ⊓ aᶜ → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ a = b ⊓ a → b ∈ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, b ≤ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ≤ b → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsLowerSet.certificator_eq_inter
[74, 1]
[80, 59]
exact ⟨fun b hab ↦ hs hab ha.1, fun b hab ↦ ht hab ha.2⟩
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsLowerSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ∧ a ∈ t ⊢ (∀ ⦃b : α⦄, b ≤ a → b ∈ s) ∧ ∀ ⦃b : α⦄, a ≤ b → b ∈ t
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_disjSups
[82, 1]
[88, 75]
refine' certificator_subset_disjSups.antisymm fun a ha ↦ mem_certificator.2 _
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t ⊢ s □ t = s ○ t
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ○ t ⊢ ∃ x y, IsCompl x y ∧ (∀ ⦃b : α⦄, a ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ y = b ⊓ y → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_disjSups
[82, 1]
[88, 75]
obtain ⟨x, hx, y, hy, hxy, rfl⟩ := mem_disjSups.1 ha
α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a✝ : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t a : α ha : a ∈ s ○ t ⊢ ∃ x y, IsCompl x y ∧ (∀ ⦃b : α⦄, a ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, a ⊓ y = b ⊓ y → b ∈ t
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ ∃ x_1 y_1, IsCompl x_1 y_1 ∧ (∀ ⦃b : α⦄, (x ⊔ y) ⊓ x_1 = b ⊓ x_1 → b ∈ s) ∧ ∀ ⦃b : α⦄, (x ⊔ y) ⊓ y_1 = b ⊓ y_1 → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_disjSups
[82, 1]
[88, 75]
refine' ⟨x, xᶜ, isCompl_compl, _⟩
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ ∃ x_1 y_1, IsCompl x_1 y_1 ∧ (∀ ⦃b : α⦄, (x ⊔ y) ⊓ x_1 = b ⊓ x_1 → b ∈ s) ∧ ∀ ⦃b : α⦄, (x ⊔ y) ⊓ y_1 = b ⊓ y_1 → b ∈ t
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ (∀ ⦃b : α⦄, (x ⊔ y) ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, (x ⊔ y) ⊓ xᶜ = b ⊓ xᶜ → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_disjSups
[82, 1]
[88, 75]
simp only [inf_of_le_right, le_sup_left, right_eq_inf, ← sdiff_eq, hxy.sup_sdiff_cancel_left]
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ (∀ ⦃b : α⦄, (x ⊔ y) ⊓ x = b ⊓ x → b ∈ s) ∧ ∀ ⦃b : α⦄, (x ⊔ y) ⊓ xᶜ = b ⊓ xᶜ → b ∈ t
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ (∀ ⦃b : α⦄, x ≤ b → b ∈ s) ∧ ∀ ⦃b : α⦄, y = b \ x → b ∈ t
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/VanDenBergKesten.lean
Finset.IsUpperSet.certificator_eq_disjSups
[82, 1]
[88, 75]
exact ⟨fun b hab ↦ hs hab hx, fun b hab ↦ ht (hab.trans_le sdiff_le) hy⟩
case intro.intro.intro.intro.intro α : Type u_1 inst✝ : BooleanAlgebra α s t u : Finset α a : α hs : IsUpperSet ↑s ht : IsUpperSet ↑t x : α hx : x ∈ s y : α hy : y ∈ t hxy : Disjoint x y ha : x ⊔ y ∈ s ○ t ⊢ (∀ ⦃b : α⦄, x ≤ b → b ∈ s) ∧ ∀ ⦃b : α⦄, y = b \ x → b ∈ t
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.symm
[27, 1]
[28, 95]
simpa [dist_comm, add_comm] using d
V : Type u_1 inst✝ : MetricSpace V u v w : V huv : u ≠ v huw : u ≠ w hvw : v ≠ w d : Dist.dist u v + Dist.dist v w = Dist.dist u w ⊢ Dist.dist w v + Dist.dist v u = Dist.dist w u
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_iff_of_ne
[32, 1]
[34, 48]
simp [MetricSpace.sbtw_iff, h12, h13, h23]
V : Type u_1 inst✝ : MetricSpace V u v w : V h12 : u ≠ v h13 : u ≠ w h23 : v ≠ w ⊢ sbtw u v w ↔ dist u v + dist v w = dist u w
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
refine ⟨h12, ?_, h23, h.antisymm (dist_triangle _ _ _)⟩
V : Type u_1 inst✝ : MetricSpace V u v w : V h12 : u ≠ v h23 : v ≠ w h : dist u v + dist v w ≤ dist u w ⊢ sbtw u v w
V : Type u_1 inst✝ : MetricSpace V u v w : V h12 : u ≠ v h23 : v ≠ w h : dist u v + dist v w ≤ dist u w ⊢ u ≠ w
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
rintro rfl
V : Type u_1 inst✝ : MetricSpace V u v w : V h12 : u ≠ v h23 : v ≠ w h : dist u v + dist v w ≤ dist u w ⊢ u ≠ w
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist u v + dist v u ≤ dist u u ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
rw [dist_self] at h
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist u v + dist v u ≤ dist u u ⊢ False
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist u v + dist v u ≤ 0 ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
replace h : dist v u ≤ 0 := by linarith [dist_comm v u]
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist u v + dist v u ≤ 0 ⊢ False
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist v u ≤ 0 ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
simp only [dist_le_zero] at h
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist v u ≤ 0 ⊢ False
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : v = u ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
exact h23 h
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : v = u ⊢ False
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
sbtw_mk
[36, 1]
[42, 14]
linarith [dist_comm v u]
V : Type u_1 inst✝ : MetricSpace V u v : V h12 : u ≠ v h23 : v ≠ u h : dist u v + dist v u ≤ 0 ⊢ dist v u ≤ 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.right_cancel
[44, 1]
[45, 99]
linarith [h.dist, h'.dist, dist_triangle u w x, dist_triangle u v w]
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w✝ u v w x : V h : sbtw u v x h' : sbtw v w x ⊢ Dist.dist u v + Dist.dist v w ≤ Dist.dist u w
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.asymm_right
[47, 1]
[51, 24]
have := h'.dist
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x ⊢ False
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this : Dist.dist v u + Dist.dist u x = Dist.dist v x ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.asymm_right
[47, 1]
[51, 24]
rw [dist_comm] at this
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this : Dist.dist v u + Dist.dist u x = Dist.dist v x ⊢ False
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this : Dist.dist u v + Dist.dist u x = Dist.dist v x ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.asymm_right
[47, 1]
[51, 24]
have : Dist.dist u v = 0 := by linarith [h.dist]
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this : Dist.dist u v + Dist.dist u x = Dist.dist v x ⊢ False
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this✝ : Dist.dist u v + Dist.dist u x = Dist.dist v x this : Dist.dist u v = 0 ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.asymm_right
[47, 1]
[51, 24]
simp [h.ne12] at this
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this✝ : Dist.dist u v + Dist.dist u x = Dist.dist v x this : Dist.dist u v = 0 ⊢ False
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.asymm_right
[47, 1]
[51, 24]
linarith [h.dist]
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x this : Dist.dist u v + Dist.dist u x = Dist.dist v x ⊢ Dist.dist u v = 0
no goals
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.trans_right'
[53, 1]
[55, 77]
rintro rfl
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w✝ u v w x : V h : sbtw u v x h' : sbtw v w x ⊢ u ≠ w
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x ⊢ False
https://github.com/YaelDillies/LeanCamCombi.git
034199694e3b91536d03bc4a8b0cdbd659cdf50f
LeanCamCombi/MetricBetween.lean
SBtw.sbtw.trans_right'
[53, 1]
[55, 77]
exact h.asymm_right h'
V : Type u_1 inst✝ : MetricSpace V u✝ v✝ w u v x : V h : sbtw u v x h' : sbtw v u x ⊢ False
no goals