MapIndex.add_right_successor: law of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/proofs/map_index.bend as MapIndex
Lines 51-54 of bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/proofs/map_index.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/proofs/map_index.bend&start_line=51&end_line=54

import Base

law add_right_successor:
  for a: Nat
  for +b: Nat
  {Nat.add(a, 1n+b) == 1n+Nat.add(a, b) : Nat}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  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