The Joy of Cats

The Joy of Cats is a book by Jiří Adámek, Horst Herrlich, and George Strecker whose full title is Abstract and Concrete Categories: The Joy of Cats. It is available online.

The reader should beware that the book uses the term “quasicategory” for what Categories for the Working Mathematician calls a metacategory: a model (in the informal sense) of the first-order theory of a category, with no regard for size issues. These days a quasicategory is a particular type of simplicial set that models an (∞,1)-category.

category: reference

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