law le_not_lt
import lawful-words@0.1.0.0/proof_nat.bend as ProofNatimport Base
1519# a <= b gives not (b < a).
1520law le_not_lt:
1521 for +a: Nat
1522 for +b: Nat
1523 for +h: {Nat.is_le(a, b) == True{} : Bool}
1524 {Nat.is_lt(b, a) == False{} : Bool}