law add_le_add_iff_right

bend-mathlib@0.8.1.0 · nat.bend:3660

import Base

3660# Adding the same amount on the right does not change the order test: a <= b tests as a + k <= b + k.
3661law add_le_add_iff_right:
3662  for a: Nat
3663  for b: Nat
3664  for k: Nat
3665  {Nat.is_le(a, b) == Nat.is_le(Nat.add(a, k), Nat.add(b, k)) : Bool}