Homotopy Type Theory fiber > history (changes)

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A fiber of a function f:ABf:A \to B over a term b:Bb:B is the type

fiber(f,b) a:Af(a)=bfiber(f, b) \coloneqq \sum_{a:A} f(a) = b

See also

Last revised on June 17, 2022 at 22:11:23. See the history of this page for a list of all contributions to it.