anchor.diff:  |===
   ////
   
  -We can now prove the second of the two equations from Basis~0~, *J2*.
  -This completes the proof that Basis~1~ is at least as powerful as Basis~0~.
  +We can now prove the second of the two equations from _Basis~0~_, *J2*.
  +This completes the proof that _Basis~1~_ is at least as powerful as
  +_Basis~0~_.
   
   [cols="<2s,>5e,^1,<4e",grid="none",frame="none",width="50%"]
   |===
  
positive.code: 
  *(* {nbsp}{nbsp}{nbsp} *)* {nbsp}{nbsp}{nbsp} *=* {nbsp}{nbsp}{nbsp}
  *|-* {nbsp}{nbsp}{nbsp} *form*
  
  ////
  [none]
  -  *(*
  -  *)*
  -  *=*
  -  *|-*
  -  *form*
  ////
  
  and seven basic axioms -- three to provide a recursive definition of 'form',
  three common notions (so to speak) to power symbol manipulation, and a
  
negative.code: All proofs in the database were verified in 0.01 s.
  ----
  
  To see the actual steps in the proof of a particular proposition,
  for example _c3.0_:
  ----
  MM> show proof c3.0 /lemmon /renumber /no_repeated_steps
  ----
  
  
  === Axioms
  
  In keeping with the spirit of _LoF's_ austerity, I aimed for the most
  