def IsZero.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/src/math/u64.bend as W
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as X
77def IsZero.value(+a: W.U64) -> Type:
78 {X.is_zero(a) == Nat.is_eq(value(a), 0n) : Bool}