def not_not

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/u64int.bend:740

import Base

740def not_not(+c: Bool) -> {Bool.not(Bool.not(c)) == c : Bool}:
741  match c:
742    case True{}:
743      {==}
744    case False{}:
745      {==}