Fixed.SaturatingSub.value: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend as Fixed
Lines 135-136 of bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend&start_line=135&end_line=136

import Base

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

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub