Maybe.maybe_or_assoc: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/maybe.bend as Maybe
Lines 174-180 of bend-mathlib@0.8.1.0/maybe.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/maybe.bend&start_line=174&end_line=180

import Base

# Or is associative.
law maybe_or_assoc:
  for ~A: Data
  for m: Maybe<&2, A>
  for -n: Maybe<&2, A>
  for -k: Maybe<&2, A>
  {Maybe.or(&2, A, Maybe.or(&2, A, m, n), k) == Maybe.or(&2, A, m, Maybe.or(&2, A, n, k)) : Maybe<&2, A>}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.or