From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 20 Mar 2017 08:12:40 -0700 (PDT) From: Matt Oliveri To: Homotopy Type Theory Cc: univalent-...@googlegroups.com, vlad...@ias.edu Message-Id: <96ed5e86-5564-4d98-a759-5a3301968501@googlegroups.com> In-Reply-To: <1FFF5B8D-06FC-4ECD-8F89-496A4C2E3A3A@ias.edu> References: <1FFF5B8D-06FC-4ECD-8F89-496A4C2E3A3A@ias.edu> Subject: Re: about the HTS MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_984_752956129.1490022760922" ------=_Part_984_752956129.1490022760922 Content-Type: multipart/alternative; boundary="----=_Part_985_159958803.1490022760922" ------=_Part_985_159958803.1490022760922 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable So the answer was yes, right? Problem solved? On Thursday, February 23, 2017 at 9:47:57 AM UTC-5, v v wrote: > > Just a thought=E2=80=A6 Can we devise a version of the HTS where exact eq= uality=20 > types are not available for the universes such that, even with the exact= =20 > equality, HTS would remain a univalent theory.=20 > > Maybe only some types should be equipped with the exact equality and this= =20 > should be a special quality of types.=20 > > Vladimir.=20 > > PS If there are higher inductive types then the exact equality should not= =20 > be available for them either. > ------=_Part_985_159958803.1490022760922 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
So the answer was yes, right? Problem solved?

On Th= ursday, February 23, 2017 at 9:47:57 AM UTC-5, v v wrote:
Just a thought=E2=80=A6 Can we devise a version= of the HTS where exact equality types are not available for the universes = such that, even with the exact equality, HTS would remain a univalent theor= y.

Maybe only some types should be equipped with the exact equality and th= is should be a special quality of types.

Vladimir.

PS If there are higher inductive types then the exact equality should n= ot be available for them either.
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