From: Kristina Sojakova <firstname.lastname@example.org> To: Homotopy Type Theory <HomotopyTypeTheory@googlegroups.com> Subject: [HoTT] HoTT with extensional equality Date: Tue, 7 Jan 2020 14:59:10 -0500 Message-ID: <email@example.com> (raw) Dear all, I have been increasingly running into situations where I wished I had an extensional equality type with a reflection rule in HoTT, in addition to the intensional one to which univalence pertains. I know that type systems with two equalities have been studied in the HoTT community (e.g., VV's HTS), but last time I discussed this with people it seemed the situation was not yet well-understood. So my question is, what exactly goes wrong if we endow HoTT with an extensional type? Thank you, Kristina -- You received this message because you are subscribed to the Google Groups "Homotopy Type Theory" group. To unsubscribe from this group and stop receiving emails from it, send an email to HomotopyTypeTheoryfirstname.lastname@example.org. To view this discussion on the web visit https://groups.google.com/d/msgid/HomotopyTypeTheory/8de08372-b17d-c153-73ad-4cd8b6c49758%40gmail.com.
next reply index Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-07 19:59 Kristina Sojakova [this message] 2020-01-07 22:03 ` Rafaël Bocquet 2020-01-07 22:11 ` Kristina Sojakova 2020-01-07 22:18 ` Rafaël Bocquet [not found] ` <CALCpNBoWKXbQgdJ2Pqq_G7J_0D48OVGUeQoBnOfDHzC__GWkHA@mail.gmail.com> 2020-01-07 23:26 ` Kristina Sojakova
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