PROOF.ru_rr: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 234-239 of bend-osdev-bytes@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&start_line=234&end_line=239

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B

def ru_rr(xs: List<&2, U32>, acc: List<&2, U32>, b: List<&2, U32>) -> {B.rev_onto(B.rev_onto(xs, acc), b) == B.rev_onto(acc, List.append(&2, U32, xs, b)) : List<&2, U32>}:
  match xs:
    case Nil{}:
      {==}
    case Con{h, t}:
      ru_rr(t, Con{h, acc}, b)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=rev_onto