Received: from webgate.proteosys.de (mail.proteosys-ag.com [62.225.9.49]) by lucy.proteosys (8.11.0/8.9.3/SuSE Linux 8.9.3-0.1) with ESMTP id f4HDMif07902 for ; Thu, 17 May 2001 15:22:44 +0200 Received: by webgate.proteosys.de (8.11.0/8.11.0) with ESMTP id f4HDMh706991 . for ; Thu, 17 May 2001 15:22:43 +0200 Received: from mail.Uni-Mainz.DE (mailserver1.zdv.Uni-Mainz.DE [134.93.8.30]) by mailgate1.zdv.Uni-Mainz.DE (8.11.0/8.10.2) with ESMTP id f4HDMgU13648 for ; Thu, 17 May 2001 15:22:42 +0200 (MET DST) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C0DED4.74C6EA00" Received: from mailgate1.zdv.Uni-Mainz.DE (mailgate1.zdv.Uni-Mainz.DE [134.93.8.56]) by mail.Uni-Mainz.DE (8.9.3/8.9.3) with ESMTP id PAA07146 for ; Thu, 17 May 2001 15:22:41 +0200 (MEST) X-MimeOLE: Produced By Microsoft Exchange V6.5 Received: from mail.listserv.gmd.de (mail.listserv.gmd.de [192.88.97.5]) by mailgate1.zdv.Uni-Mainz.DE (8.11.0/8.10.2) with ESMTP id f4HDMfU13644 for ; Thu, 17 May 2001 15:22:41 +0200 (MET DST) Received: from mail.listserv.gmd.de (192.88.97.5) by mail.listserv.gmd.de (LSMTP for OpenVMS v1.1a) with SMTP id <2.70712329@mail.listserv.gmd.de>; Thu, 17 May 2001 15:20:59 +0200 Received: from RELAY.URZ.UNI-HEIDELBERG.DE by RELAY.URZ.UNI-HEIDELBERG.DE (LISTSERV-TCP/IP release 1.8b) with spool id 495683 for LATEX-L@RELAY.URZ.UNI-HEIDELBERG.DE; Thu, 17 May 2001 15:22:37 +0200 Received: from ix.urz.uni-heidelberg.de (mail.urz.uni-heidelberg.de [129.206.119.234]) by relay.urz.uni-heidelberg.de (8.8.8/8.8.8) with ESMTP id PAA00802 for ; Thu, 17 May 2001 15:22:36 +0200 (MET DST) Received: from relay.uni-heidelberg.de (relay.uni-heidelberg.de [129.206.100.212]) by ix.urz.uni-heidelberg.de (8.8.8/8.8.8) with ESMTP id PAA208460 for ; Thu, 17 May 2001 15:22:36 +0200 Received: from Sina.sharif.ac.ir (Sina.sharif.ac.ir [62.41.32.2]) by relay.uni-heidelberg.de (8.10.2+Sun/8.10.2) with ESMTP id f4HDMWP12675 for ; Thu, 17 May 2001 15:22:34 +0200 (MET DST) Received: from bamdad.org (IDENT:root@bamdad.org [213.29.27.7]) by Sina.sharif.ac.ir (8.9.3/8.9.3) with ESMTP id RAA14232 for ; Thu, 17 May 2001 17:52:21 +0430 Received: from localhost (roozbeh@localhost) by bamdad.org (8.11.0/8.11.0) with ESMTP id f4HDL3o32146 for ; Thu, 17 May 2001 17:51:04 +0430 In-Reply-To: <200105161742.MAA02503@riemann.math.twsu.edu> Return-Path: X-Authentication-Warning: bamdad.sharif.ac.ir: roozbeh owned process doing -bs X-X-Sender: Content-class: urn:content-classes:message Subject: Re: Multilingual Encodings Summary 2.2 Date: Thu, 17 May 2001 14:21:02 +0100 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: From: "Roozbeh Pournader" Sender: "Mailing list for the LaTeX3 project" To: "Multiple recipients of list LATEX-L" Reply-To: "Mailing list for the LaTeX3 project" Status: R X-Status: X-Keywords: X-UID: 4074 This is a multi-part message in MIME format. ------_=_NextPart_001_01C0DED4.74C6EA00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Well, with the latest version of Unicode, 3.1, \varepsilon is a = different thing from \epsilon. Just take a look at: http://www.unicode.org/charts/PDF/U0370.pdf The code points are U+03B5 and U+03F5. --roozbeh On Wed, 16 May 2001, Phil Parker wrote: > On 05/15/2001 at 03:04 PM, Lars Hellstr=F6m = > wrote: > > >I math fonts something like that could be used to handle the choice > >between \epsilon and \varepsilon. As I understand it, these are > >semantically equivalent---i.e., people will think you've done = something > >wrong if you try to use them both in the same formula to mean = different > >things > > > Some might, but most (at least in the parts of math I read) wouldn't. = The > general rule of thumb seems to be: if they look different, they are > (mathematically) different. In my experience, more mathematicians = would > think it wrong to try and claim \epsilon and \varepsilon did mean the = same, > and I know some journal editors that would change it. Note that \in = is > merely a stylized \epsilon, but is mathematically distinct from all = the > other "epsilon" variants nowadays. (Before the standardization of the = \in > symbol, \epsilon was used to mean "is an element of" -- and sometimes = to > also be the classical analysis "epsilon" in the same formula!) > > -- > Phil Parker > -------------------------------------------- > URL http://www.math.twsu.edu/Faculty/Parker/ > Random quote: > Reality is an obstacle to hallucination. > ------_=_NextPart_001_01C0DED4.74C6EA00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: Multilingual Encodings Summary 2.2

Well, with the latest version of Unicode, 3.1, = \varepsilon is a different
thing from \epsilon. Just take a look at:

        http://www.unicode.o= rg/charts/PDF/U0370.pdf

The code points are U+03B5 and U+03F5.

--roozbeh

On Wed, 16 May 2001, Phil Parker wrote:

> On 05/15/2001 at 03:04 PM, Lars Hellstr=F6m = <Lars.Hellstrom@MATH.UMU.SE>
> wrote:
>
> >I math fonts something like that could be = used to handle the choice
> >between \epsilon and \varepsilon. As I = understand it, these are
> >semantically equivalent---i.e., people will = think you've done something
> >wrong if you try to use them both in the = same formula to mean different
> >things
> >
> Some might, but most (at least in the parts of = math I read) wouldn't. The
> general rule of thumb seems to be: if they look = different, they are
> (mathematically) different. In my experience, = more mathematicians would
> think it wrong to try and claim \epsilon and = \varepsilon did mean the same,
> and I know some journal editors that would = change it.  Note that \in is
> merely a stylized \epsilon, but is = mathematically distinct from all the
> other "epsilon" variants nowadays. = (Before the standardization of the \in
> symbol, \epsilon was used to mean "is an = element of" -- and sometimes to
> also be the classical analysis = "epsilon" in the same formula!)
>
> --
>     Phil Parker
> = --------------------------------------------
> URL http://www.math.twsu.ed= u/Faculty/Parker/
> Random quote:
>   Reality is an obstacle to = hallucination.
>

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