Source history
Original source: arXiv:math/0608040v4
Detailed backend records are private. Public author/source status appears above.
The permanent identity and original source provenance are retained below.
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"number": "3.1.3.6",
"title": "Lemma 3.1.3.6. Let S be a simplicial set, let i : X →Y be a cofibration in (Set+",
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