ProofWalk.and4_d: law of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_walk.bend as ProofWalk
Lines 15-21 of minebender-game@1.0.0.0/proof_walk.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_walk.bend&start_line=15&end_line=21

import Base

law and4_d:
  for +a: Bool
  for +b: Bool
  for +c: Bool
  for +d: Bool
  for e: {Bool.and(Bool.and(Bool.and(a, b), c), d) == True{} : Bool}
  {d == True{} : 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=minebender-game@1.0.0.0/proof_base.bend&name=and_true_r