PROOFText.wsh.zv: def of bend-osdev-word64@0.1.1.0
Import: import bend-osdev-word64@0.1.1.0/PROOF_text.bend as PROOFText
Lines 387-388 of bend-osdev-word64@0.1.1.0/PROOF_text.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-word64@0.1.1.0/PROOF_text.bend&start_line=387&end_line=388

import Base
import bend-osdev-word64@0.1.1.0/word64.bend as W
import bend-osdev-word64@0.1.1.0/LAWS.bend as WB

def wsh.zv(+a: W.W64, e: {W.W64.is_zero(a) == True{} : Bool}) -> {W.W64.to_nat(a) == 0n : Nat}:
  wsh.z0(W.W64.to_nat(a), Equal.trans(Bool, Nat.is_eq(W.W64.to_nat(a), 0n), W.W64.is_zero(a), True{}, Equal.sym(Bool, W.W64.is_zero(a), Nat.is_eq(W.W64.to_nat(a), 0n), WB.eq_value(a, W.W64.zero())), e))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/LAWS.bend&name=eq_value
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/PROOF_text.bend&name=wsh.z0
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.is_zero
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.to_nat
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.zero