BooleanLogic.or_false_left: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/boolean_logic.bend as BooleanLogic
Lines 81-84 of stelliferous@0.0.2.0/proofs/boolean_logic.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/boolean_logic.bend&start_line=81&end_line=84

import Base
import stelliferous@0.0.2.0/proofs/word_encoding.bend as WordEncoding

def or_false_left(+first: Bool,+second: Bool,proof: {first || second == False{} : Bool}) -> {first == False{} : Bool}:
  match first:
    case False{}: {==}
    case True{}: Empty.absurd({True{} == False{} : Bool},WordEncoding.false_true(Equal.sym(Bool,True{},False{},proof)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/word_encoding.bend&name=false_true