def not_not

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/u32int.bend:739

import Base

739def not_not(+c: Bool) -> {Bool.not(Bool.not(c)) == c : Bool}:
740  match c:
741    case True{}:
742      {==}
743    case False{}:
744      {==}