def add_zero
import bendtorch-core@0.1.0.0/src/autograd/reduce_parallel_proof.bend as ReduceParallelProofimport Base
348def add_zero(+number: Nat) -> {number == Nat.add(number, 0n) : Nat}:
349 match number:
350 case 0n:
351 {==}
352 case 1n+p:
353 Equal.cong(Nat, Nat, value => 1n+value, p, Nat.add(p, 0n), add_zero(p))