def bv

import bend-collections-laws-math@1.0.0.0/proofs/math/typed/w64add.bend as W64add

import Base
import bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/spec/numeric.bend as S

37def bv(c: Bool) -> Nat:
38  S.bit_value(c)

Uses (3)