law le_iff_lt_or_eq
import bend-mathlib@0.8.1.0/nat.bend as Natimport Base
2623# At most means below or equal: a <= b tests as a < b or a = b.
2624law le_iff_lt_or_eq:
2625 for a: Nat
2626 for b: Nat
2627 {Nat.is_le(a, b) == Bool.or(Nat.is_lt(a, b), Nat.is_eq(a, b)) : Bool}