Natural.Gcd.mul_left: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/spec/math/natural.bend as Natural
Lines 144-145 of bend-collections-laws-math@1.0.0.0/spec/math/natural.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/natural.bend&start_line=144&end_line=145

import Base
import bend-collections-laws-math@1.0.0.0/src/math/natural.bend as M

def Gcd.mul_left(+c: Nat, +a: Nat, +b: Nat) -> Type:
  {M.gcd(Nat.mul(c, a), Nat.mul(c, b)) == Nat.mul(c, M.gcd(a, b)) : Nat}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/natural.bend&name=gcd