Corpus ID: 46657525

∞-Categories for the Working Mathematician

@inproceedings{Riehl2018CategoriesFT,
  title={∞-Categories for the Working Mathematician},
  author={Emily Riehl and Dominic R. Verity},
  year={2018}
}
homotopy theory C.1. Lifting properties, weak factorization systems, and Leibniz closure C.1.1. Lemma. Any class of maps characterized by a right lifting property is closed under composition, product, pullback, retract, and limits of towers; see Lemma C.1.1. Proof. For now see [47, 11.1.4] and dualize. On account of the dual of Lemma C.1.1, any set of maps in a cocomplete category “cellularly generates” a larger class of maps with the same left lifting property. C.1.2. Definition. The class of… Expand
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