From: "N. Raghavendra" <ra...@hri.res.in>
To: "Martín Hötzel Escardó" <"escardo..."@gmail.com>
Cc: Homotopy Type Theory <HomotopyT...@googlegroups.com>
Subject: Re: [HoTT] Univalence from scratch
Date: Fri, 09 Mar 2018 10:30:06 +0530 [thread overview]
Message-ID: <87woylzvvt.fsf@hri.res.in> (raw)
In-Reply-To: <7f3c276a-2d81-4235-8f2a-c4d82ea4f827@googlegroups.com> (=?utf-8?Q?=22Mart=C3=ADn________H=C3=B6tzel_Escard=C3=B3=22's?= message of "Wed, 7 Mar 2018 13:10:53 -0800 (PST)")
At 2018-03-07T13:10:53-08:00, Martín Hötzel Escardó wrote:
> This also has an ancillary Agda file with univalence defined from
> scratch (without the use of any library at all). Perhaps somebody
> should add a Coq "version from scratch" of this.
I have kept my attempt at a Coq version at
http://www.retrotexts.net/just-univalence/toc.html
However, I don't know how to define the univalence of a universe in Coq,
that is, I don't know what to write for foo and bar in
Definition univalence (U : foo) : bar := baz.
Remarks are welcome.
Raghu.
--
N. Raghavendra <ra...@hri.res.in>, http://www.retrotexts.net/
Harish-Chandra Research Institute, http://www.hri.res.in/
next prev parent reply other threads:[~2018-03-09 5:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-07 21:10 Martín Hötzel Escardó
2018-03-08 1:37 ` [HoTT] " Jason Gross
2018-03-08 10:04 ` Martin Escardo
2018-03-08 3:50 ` Matt Oliveri
2018-03-08 9:25 ` [HoTT] " Andrej Bauer
2018-03-08 9:26 ` Andrej Bauer
2018-03-08 10:04 ` Martin Escardo
2018-03-09 5:00 ` N. Raghavendra [this message]
2018-03-09 7:02 ` [HoTT] " Jason Gross
2018-03-09 9:13 ` N. Raghavendra
2018-04-25 2:10 ` Jeff Olson
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