def empty_prefix
bendtorch-core@0.1.0.0 · src/tensor/matmul_PROOF.bend:564
import bendtorch-core@0.1.0.0/src/tensor/matmul_PROOF.bend as MatmulPROOF
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/matmul_LAWS.bend as Laws
564def empty_prefix(+inner: U32, +left: Shape.Shape, +right: Shape.Shape, -a: Core.Tensor<left>, -b: Core.Tensor<right>,
565 +output: Shape.Shape, -out: Core.Tensor<output>) -> Laws.ProductPrefix<inner, left, right, a, b, output, a, b, out, 0n>:
566 Laws.ProductPrefix{other => {==}, other => {==}, position => earlier =>
567 Empty.absurd(Laws.ProductCell<inner, left, right, a, b, output, out, position>, no_earlier_zero(position, earlier))}