ProofValue.wn.sub_add: def of bend-osdev-word64@0.1.1.1
Import: import bend-osdev-word64@0.1.1.1/proof_value.bend as ProofValue
Lines 89-91 of bend-osdev-word64@0.1.1.1/proof_value.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-word64@0.1.1.1/proof_value.bend&start_line=89&end_line=91

import Base
import bend-osdev-u32@0.1.0.0/LAWS.bend as UL

def wn.sub_add(+r: Nat, +y: Nat) -> {Nat.sub(Nat.add(r, y), y) == r : Nat}:
  %UL.nat_add_comm(y, r) : {Nat.sub(_, y) == r : Nat}
  wn.sub_add_l(y, r)

Uses (5):
  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
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-u32@0.1.0.0/LAWS.bend&name=nat_add_comm
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.1/proof_value.bend&name=wn.sub_add_l