PROOF.rr8_back: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 736-737 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=736&end_line=737

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

def rr8_back(+zs: List<&2, B.OctByte>) -> {B.w8s.rev_onto(B.w8s.rev_onto(zs, Nil{}), Nil{}) == zs : List<&2, B.OctByte>}:
  Equal.trans(List<&2, B.OctByte>, B.w8s.rev_onto(B.w8s.rev_onto(zs, Nil{}), Nil{}), List.append(&2, B.OctByte, zs, Nil{}), zs, r8_rr(zs, Nil{}, Nil{}), app_nil8(zs))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  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=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=app_nil8
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=r8_rr
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=OctByte
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.rev_onto