MatrixIndexProof.some_equal: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/matrix_index_proof.bend as MatrixIndexProof
Lines 90-91 of bendtorch-core@0.1.0.0/src/tensor/matrix_index_proof.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/matrix_index_proof.bend&start_line=90&end_line=91

import Base

def some_equal(-A: Data, -x: A, -y: A, equal: {Some{x} == Some{y} : Maybe<&2, A>}) -> {x == y : A}:
  Equal.cong(Maybe<&2, A>, A, found => Maybe.default(&2, A, found, x), Some{x}, Some{y}, equal)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.default