ElementwisePROOF.retained_fits: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend as ElementwisePROOF
Lines 773-785 of bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&start_line=773&end_line=785

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend as Totality

def retained_fits(+plan: Shape.BroadcastPlan, -before_left: Core.Dynamic, -before_right: Core.Dynamic,
  -after_left: Core.Dynamic, -after_right: Core.Dynamic,
  -left_same: Totality.SameSource(before_left, after_left), -right_same: Totality.SameSource(before_right, after_right),
  -fits: FittingSources<plan, before_left, before_right>) -> FittingSources<plan, after_left, after_right>:
  FittingSources{
    Equal.trans(List<&2, U32>, Totality.dimensions(after_left), Totality.dimensions(before_left), Shape.dimensions(Shape.left_shape(plan)),
      Equal.cong(Totality.Inspection, List<&2, U32>, inspection_dimensions,
        Totality.inspect(Totality.Dimensions{}, after_left), Totality.inspect(Totality.Dimensions{}, before_left), left_same(Totality.Dimensions{})),
      {\{FittingSources: l => r => l} : FittingSources<plan, before_left, before_right> -> {Totality.dimensions(before_left) == Shape.dimensions(Shape.left_shape(plan)) : List<&2, U32>}}(fits)),
    Equal.trans(List<&2, U32>, Totality.dimensions(after_right), Totality.dimensions(before_right), Shape.dimensions(Shape.right_shape(plan)),
      Equal.cong(Totality.Inspection, List<&2, U32>, inspection_dimensions,
        Totality.inspect(Totality.Dimensions{}, after_right), Totality.inspect(Totality.Dimensions{}, before_right), right_same(Totality.Dimensions{})),
      {\{FittingSources: l => r => r} : FittingSources<plan, before_left, before_right> -> {Totality.dimensions(before_right) == Shape.dimensions(Shape.right_shape(plan)) : List<&2, U32>}}(fits))}

Uses (16):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=BroadcastPlan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=left_shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=right_shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Dynamic
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=FittingSources
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=inspection_dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=Inspection
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=Property
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=SameSource
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=inspect