def ctz_v
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64ratio.bend:47
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64ratio.bend as F64ratio
import Base
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
import bend-collections-laws-math@1.0.0.0/spec/math/w64.bend as SW
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as X
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU
47def ctz_v(+w: WU.U64) -> {F.ctz(w) == SF.tz(64n, SW.value(w)) : Nat}:
48 cz(64n, w, X.odd(w), {==})