Bool.and_eq_true: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/bool.bend as Bool
Lines 476-482 of bend-mathlib@0.8.1.0/bool.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/bool.bend&start_line=476&end_line=482

import Base

# If a and b are both true then a and b is true.
law and_eq_true:
  for a: Bool
  for -b: Bool
  for ha: {a == True{} : Bool}
  for hb: {b == True{} : Bool}
  {Bool.and(a, b) == True{} : Bool}

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-mathlib@0.8.1.0/bool.bend&name=internal_false_ne_true