Bool.and_not_self: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/bool.bend as Bool
Lines 219-222 of bend-mathlib@0.8.1.0/bool.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/bool.bend&start_line=219&end_line=222

import Base

# A boolean and its negation are never both true: a and (not a) is false.
law and_not_self:
  for a: Bool
  {Bool.and(a, Bool.not(a)) == False{} : 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.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not