law pow_mul
import bend-mathlib@0.8.1.0/nat.bend as Natimport Base
2214# Exponents multiply under repeated powers: a^(m * n) = (a^m)^n.
2215law pow_mul:
2216 for a: Nat
2217 for m: Nat
2218 for n: Nat
2219 {Nat.pow(a, Nat.mul(m, n)) == Nat.pow(Nat.pow(a, m), n) : Nat}