law le_antisym
import lawful-bytes@0.1.1.0/proof_fast_append.bend as ProofFastAppendimport Base
250law le_antisym:
251 for +a: Nat
252 for +b: Nat
253 for +h1: {Nat.is_le(a, b) == True{} : Bool}
254 for +h2: {Nat.is_le(b, a) == True{} : Bool}
255 {a == b : Nat}