law word_to_nat_lt
import bend-kit-lemmas@0.1.1.0/lemmas.bend as Lemmasimport Base
import bend-mathlib@0.7.4.0/nat.bend as MNat
162# A word of n bits has a value below 2^n.
163law word_to_nat_lt:
164 for n: Nat
165 for w: Word(n)
166 MNat.lt(Word.to_nat(n, w), pow2(n))