law one_mul_sym

bend-mathlib@0.8.1.0 · nat.bend:3939

import Base

3939# One is a left identity for multiplication: 1 * x = x, reversed to rewrite toward the simple side.
3940law one_mul_sym:
3941  for x: Nat
3942  {x == Nat.mul(1n, x) : Nat}