BendMlBpeTokenizer.dec_append: law of bend-ml-bpe-tokenizer@0.1.3.0
Import: import bend-ml-bpe-tokenizer@0.1.3.0/main.bend as BendMlBpeTokenizer
Lines 536-542 of bend-ml-bpe-tokenizer@0.1.3.0/main.bend: https://jend.leeeet.dev/read.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&start_line=536&end_line=542

import Base

# LAW 3 (concatenation): decoding two token lists together is decoding
# each one and joining the bytes.
law dec_append:
  for +D: List<&2, Rule>
  for xs: List<&2, Tk>
  for +ys: List<&2, Tk>
  {dec(D, List.append(&2, Tk, xs, ys)) == List.append(&2, Nat, dec(D, xs), dec(D, ys)) : List<&2, Nat>}

Uses (9):
  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=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=Rule
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=Tk
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=dec
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=exp
  https://jend.leeeet.dev/definition.txt?path=bend-ml-nat-lemmas@0.1.2.0/main.bend&name=append_assoc