[Merged by Bors] - feat(Algebra/Homology/HomotopyCategory): alternative description of distinguished triangles#9370
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[Merged by Bors] - feat(Algebra/Homology/HomotopyCategory): alternative description of distinguished triangles#9370
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…category-pretriangulated
…opy-category-pretriangulated
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
…d-3' into homotopy-category-pretriangulated
…d' into homotopy-category-degreewise-split
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…istinguished triangles (#9370) In this PR, it is shown that a triangle in the homotopy category is distinguished iff it is isomorphic to the triangle associated to a degreewise split short exact sequence of cochain complexes.
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…istinguished triangles (#9370) In this PR, it is shown that a triangle in the homotopy category is distinguished iff it is isomorphic to the triangle associated to a degreewise split short exact sequence of cochain complexes.
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…istinguished triangles (#9370) In this PR, it is shown that a triangle in the homotopy category is distinguished iff it is isomorphic to the triangle associated to a degreewise split short exact sequence of cochain complexes.
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In this PR, it is shown that a triangle in the homotopy category is distinguished iff it is isomorphic to the triangle associated to a degreewise split short exact sequence of cochain complexes.