def ur.r22
import bend-osdev-u32@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-u32@0.1.0.0/LAWS.bend as Laws
1529def ur.r22() -> {Nat.mul(1n, 0n) == 0n : Nat}:
1530 %Equal.sym(Nat, Nat.mul(1n, 0n), 0n, Laws.nat_mul_zero(1n)) : {_ == 0n : Nat}
1531 {==}