PROOF.un.odd_d: def of bend-osdev-u32@0.1.0.0
Import: import bend-osdev-u32@0.1.0.0/PROOF.bend as PROOF
Lines 1293-1298 of bend-osdev-u32@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-u32@0.1.0.0/PROOF.bend&start_line=1293&end_line=1298

import Base
import bend-osdev-u32@0.1.0.0/u32.bend as U

def un.odd_d(v: Nat) -> {U.U32Nat.odd(Nat.double(v)) == 0n : Nat}:
  match v:
    case 0n:
      {==}
    case 1n+ +p:
      un.odd_d(p)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.double
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-u32@0.1.0.0/u32.bend&name=U32Nat.odd