def Lcm.gcd_mul_lcm
import bend-collections-laws-crypto@1.0.0.0/spec/math/natural.bend as Naturalimport Base
import bend-collections-laws-crypto@1.0.0.0/src/math/natural.bend as M
157def Lcm.gcd_mul_lcm(+a: Nat, +b: Nat) -> Type:
158 {Nat.mul(M.gcd(a, b), M.lcm(a, b)) == Nat.mul(a, b) : Nat}