ProofWord.cout: def of lawful-words@0.1.0.0
Import: import lawful-words@0.1.0.0/proof_word.bend as ProofWord
Lines 353-363 of lawful-words@0.1.0.0/proof_word.bend: https://jend.leeeet.dev/read.txt?path=lawful-words@0.1.0.0/proof_word.bend&start_line=353&end_line=363

import Base

# The carry out of Word.adc without inversion (f = False).
def cout(n: Nat, a: Word(n), b: Word(n), c: Bool) -> Bool:
  match n:
    case 0n:
      c
    case 1n+p:
      match a b:
        case WCon{False{}, at} WCon{bb, bt}:
          cout(p, at, bt, Bool.and(bb, c))
        case WCon{True{}, at} WCon{bb, bt}:
          cout(p, at, bt, Bool.or(bb, c))

Uses (6):
  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=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.Con