Fixed.CheckedAdd.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 86-87 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=86&end_line=87

import Base

def CheckedAdd.value(~T: Data, ~val: T -> Nat, ~f: @+x: T -> @+y: T -> Maybe<&2, T>, +w: Nat, +a: T, +b: T) -> Type:
  {mval(~T, ~val, f(a, b)) == cnat(w, Nat.add(val(a), val(b))) : Maybe<&2, Nat>}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend&name=cnat
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/fixed.bend&name=mval