PROOF.li.take_append: def of bend-osdev-cipher-modes@0.1.0.0
Import: import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
Lines 197-203 of bend-osdev-cipher-modes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&start_line=197&end_line=203

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B

def li.take_append(+a: List<&2, U32>, +b: List<&2, U32>) -> {B.take(B.len(a), B.append(a, b)) == a : List<&2, U32>}:
  match a:
    case Nil{}:
      {==}
    case Con{+h, +t}:
      %Equal.sym(List<&2, U32>, B.take(B.len(t), B.append(t, b)), t, li.take_append(t, b)) : {Con{h, _} == Con{h, t} : List<&2, U32>}
      {==}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=take