def Mul.value
import bend-collections-laws-math@1.0.0.0/spec/math/w64.bend as W64import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as X
56def Mul.value(+a: W.U64, +b: W.U64) -> Type:
57 {value(X.mul(a, b)) == C.low(64n, Nat.mul(value(a), value(b))) : Nat}