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CategoryTheory.TwoSquare.structuredArrowRightwardsOpEquivalence
Modification history
2025-04-14 03:47
Mathlib/CategoryTheory/GuitartExact/Opposite.lean
feat(CategoryTheory): the dual of a Guitart exact `2`-square is Guitart exact (#22447) …
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CategoryTheory.TwoSquare.structuredArrowRightwardsOpEquivalence
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