law nat_add_left_comm

bend-mathlib@0.8.1.0 · algebra.bend:121

import Base
import bend-mathlib@0.8.1.0/nat.bend as MNat

121# Nat addition is left-commutative (the same statement as MNat.add_left_comm).
122law nat_add_left_comm:
123  for +a: Nat
124  for +b: Nat
125  for +c: Nat
126  {Nat.add(a, Nat.add(b, c)) == Nat.add(b, Nat.add(a, c)) : Nat}