I am reading the book: Joy of Cats. I am trying to understand the notion of an amnestic functor in a concrete category. In the book it is defined in terms of fibres. What’s the basic notion of an amnestic functor? Does it have to be defined in terms of fibres?
2026-05-16 02:37:21.1778899041
Amnestic Functors in Concrete Categories
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