BendMlBpeTokenizer.below_up: def of bend-ml-bpe-tokenizer@0.1.3.0
Import: import bend-ml-bpe-tokenizer@0.1.3.0/main.bend as BendMlBpeTokenizer
Lines 613-618 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=613&end_line=618

import Base

def below_up(D: List<&2, Rule>, +i: Nat, +e: {True{} == below(D, i) : Bool}) -> {True{} == below(D, 1n+i) : Bool}:
  match D:
    case Nil{}:
      {==}
    case Con{Rule{+j, a, b}, +t}:
      and_intro(Nat.is_lt(j, 1n+i), below(t, 1n+i), lt_up(j, i, and_true_l(Nat.is_lt(j, i), below(t, i), e)), below_up(t, i, and_true_r(Nat.is_lt(j, i), below(t, i), e)))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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.is_lt
  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=and_intro
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=and_true_l
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=and_true_r
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=below
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=lt_up