ProofShift.ns.succ_inj: def of bend-osdev-word64@0.1.1.0
Import: import bend-osdev-word64@0.1.1.0/proof_shift.bend as ProofShift
Lines 48-49 of bend-osdev-word64@0.1.1.0/proof_shift.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-word64@0.1.1.0/proof_shift.bend&start_line=48&end_line=49

import Base

def ns.succ_inj(-a: Nat, -b: Nat, e: {1n+a == 1n+b : Nat}) -> {a == b : Nat}:
  Equal.cong(Nat, Nat, z => ns.pred(z), 1n+a, 1n+b, 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=bend-osdev-word64@0.1.1.0/proof_shift.bend&name=ns.pred