Num.cong_l: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend as Num
Lines 13-14 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend&start_line=13&end_line=14

import Base

def cong_l(+x: Nat, +y: Nat, +z: Nat, +e: {x == y : Nat}) -> {Nat.add(x, z) == Nat.add(y, z) : Nat}:
  Equal.cong(Nat, Nat, t => Nat.add(t, z), x, y, e)

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