AxisAlgebra.word_length: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as AxisAlgebra
Lines 3047-3052 of bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend&start_line=3047&end_line=3052

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape

def word_length(+items: List<&2, U32>) -> {List.length(&2, U32, items) == Shape.rank_dimensions(items) : Nat}:
  match items:
    case Nil{}:
      {==}
    case head <> +tail:
      Equal.cong(Nat, Nat, n => 1n+n, List.length(&2, U32, tail), Shape.rank_dimensions(tail), word_length(tail))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=rank_dimensions