IndexProofs.add_assoc: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/index_proofs.bend as IndexProofs
Lines 4-10 of bendtorch-core@0.1.0.0/src/shape/index_proofs.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/index_proofs.bend&start_line=4&end_line=10

import Base

def add_assoc(a: Nat, -b: Nat, -c: Nat) -> {Nat.add(a, Nat.add(b, c)) == Nat.add(Nat.add(a, b), c) : Nat}:
  match a:
    case 0n:
      {==}
    case 1n+p:
      %add_assoc(p, b, c) : {1n+Nat.add(p, Nat.add(b, c)) == 1n+_ : 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