def nat.lt_zero
import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOFimport Base
77def nat.lt_zero(x: Nat) -> {Nat.is_lt(x, 0n) == False{} : Bool}:
78 match x:
79 case 0n:
80 {==}
81 case 1n+p:
82 {==}
import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOFimport Base
77def nat.lt_zero(x: Nat) -> {Nat.is_lt(x, 0n) == False{} : Bool}:
78 match x:
79 case 0n:
80 {==}
81 case 1n+p:
82 {==}