LAWS.octets_take_append_le: law of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/LAWS.bend as LAWS
Lines 331-336 of bend-osdev-bytes@0.1.1.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-bytes@0.1.1.0/LAWS.bend&start_line=331&end_line=336

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

law octets_take_append_le:
  for +n: Nat
  for +a: B.Octets
  for +b: B.Octets
  for h: {Nat.is_le(n, B.Octets.len(a)) == True{} : Bool}
  {B.Octets.take(n, B.Octets.append(a, b)) == B.Octets.take(n, a) : B.Octets}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=p_take_append_le
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take