LAWS.flatten_unflatten: law of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/LAWS.bend as LAWS
Lines 129-132 of bendtorch-core@0.1.0.0/src/shape/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/LAWS.bend&start_line=129&end_line=132

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

law flatten_unflatten:
  for +dims: List<&2, Nat>
  for +index: Shape.Fin(Shape.numel(dims))
  {Shape.flatten(dims, Shape.unflatten(dims, index)) == index : Shape.Fin(Shape.numel(dims))}

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=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=flatten
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=unflatten
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/index_proofs.bend&name=flatten_unflatten