Homotopy Type Theory diagonal > history (changes)

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< diagonal

Definition

Given a type SS and the product type S×SS \times S, the diagonal is the set of all pairs that are equal to each other

Δ(S) (x,y):S×Sx=y\Delta(S) \coloneqq \sum_{(x,y):S \times S} x = y

See also

Last revised on June 13, 2022 at 19:44:39. See the history of this page for a list of all contributions to it.