def pk.lt0
import bend-osdev-pkcs7@0.1.0.0/PROOF.bend as PROOFimport Base
108def pk.lt0(+x: Nat) -> {Nat.is_lt(x, 0n) == True{} : Bool} -> {False{} == True{} : Bool}:
109 match x:
110 case 0n:
111 h => h
112 case 1n+xp:
113 h => h
import bend-osdev-pkcs7@0.1.0.0/PROOF.bend as PROOFimport Base
108def pk.lt0(+x: Nat) -> {Nat.is_lt(x, 0n) == True{} : Bool} -> {False{} == True{} : Bool}:
109 match x:
110 case 0n:
111 h => h
112 case 1n+xp:
113 h => h