PROOF.and_comm: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/PROOF.bend as PROOF
Lines 893-902 of bendtorch@1.3.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/PROOF.bend&start_line=893&end_line=902

import Base

def and_comm(+a: Bool, +b: Bool) -> {Bool.and(a, b) == Bool.and(b, a) : Bool}:
  match a b:
    case True{} True{}:
      {==}
    case True{} False{}:
      {==}
    case False{} True{}:
      {==}
    case False{} False{}:
      {==}

Uses (2):
  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