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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"title": "Proof. For any map r : K′ →K of simplicial sets, let Cr = Cjr/ ×C{x} and Dr = Dpjr/ ×D{p(x)}.",
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