LAWS.list_len_append: law of bend-osdev-mode-core@0.1.0.0
Import: import bend-osdev-mode-core@0.1.0.0/LAWS.bend as LAWS
Lines 57-60 of bend-osdev-mode-core@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-mode-core@0.1.0.0/LAWS.bend&start_line=57&end_line=60

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

law list_len_append:
  for +a: List<&2, U32>
  for +b: List<&2, U32>
  {B.len(B.append(a, b)) == Nat.add(B.len(a), B.len(b)) : Nat}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  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-mode-core@0.1.0.0/PROOF.bend&name=li.len_append