def SaturatingSub.value

bend-collections-laws-math@1.0.0.0 · spec/math/fixed.bend:135

import Base

135def SaturatingSub.value(~T: Data, ~val: T -> Nat, ~f: @+x: T -> @+y: T -> T, +a: T, +b: T) -> Type:
136  {val(f(a, b)) == Nat.sub(val(a), val(b)) : Nat}