ProofWord.incc: def of lawful-words@0.1.0.0
Import: import lawful-words@0.1.0.0/proof_word.bend as ProofWord
Lines 312-322 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=312&end_line=322

import Base

# The carry out of Word.inc: set when every bit is set.
def incc(n: Nat, w: Word(n)) -> Bool:
  match n:
    case 0n:
      True{}
    case 1n+p:
      match w:
        case WCon{False{}, t}:
          False{}
        case WCon{True{}, t}:
          incc(p, t)

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=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