Nat.succ_add: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/nat.bend as Nat
Lines 40-44 of bend-mathlib@0.8.1.0/nat.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/nat.bend&start_line=40&end_line=44

import Base

# Adding a successor on the left: (n + 1) + m = (n + m) + 1.
law succ_add:
  for -n: Nat
  for -m: Nat
  {Nat.add(1n+n, m) == 1n+Nat.add(n, m) : Nat}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add