PROOF.bool.and_l: def of bend-osdev-algo@0.1.0.0
Import: import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOF
Lines 840-845 of bend-osdev-algo@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-algo@0.1.0.0/PROOF.bend&start_line=840&end_line=845

import Base

def bool.and_l(a: Bool, -b: Bool, e: {Bool.and(a, b) == True{} : Bool}) -> {a == True{} : Bool}:
  match a:
    case True{}:
      {==}
    case False{}:
      Empty.absurd({False{} == True{} : Bool}, absurd.ft(e))

Uses (4):
  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=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-algo@0.1.0.0/PROOF.bend&name=absurd.ft