def nat.le_refl
import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOFimport Base
91def nat.le_refl(x: Nat) -> {Nat.is_le(x, x) == True{} : Bool}:
92 match x:
93 case 0n:
94 {==}
95 case 1n+p:
96 nat.le_refl(p)
import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOFimport Base
91def nat.le_refl(x: Nat) -> {Nat.is_le(x, x) == True{} : Bool}:
92 match x:
93 case 0n:
94 {==}
95 case 1n+p:
96 nat.le_refl(p)