Logic.not_false: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend as Logic
Lines 44-46 of bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend&start_line=44&end_line=46

import Base

def not_false(b: Bool, e: {b == False{} : Bool}) -> {Bool.not(b) == True{} : Bool}:
  %Equal.sym(Bool, b, False{}, e) : {Bool.not(_) == True{} : Bool}
  {==}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym