law word_sub_wrap

bend-osdev-u32@0.1.0.0 · LAWS.bend:109

import Base
import bend-osdev-u32@0.1.0.0/u32.bend as U

109law word_sub_wrap:
110  for +n: Nat
111  for +a: Word(n)
112  for +b: Word(n)
113  {Nat.add(Word.to_nat(n, Word.sub(n, a, b)), Word.to_nat(n, b)) == Nat.add(Word.to_nat(n, a), U.U32Nat.dbl(n, U.U32Nat.bit(Cmp.is_lt(Word.cmp(n, a, b))))) : Nat}