From: Hans Hagen <pragma@wxs.nl>
To: Sanjoy Mahajan <sanjoy@MIT.EDU>, ntg-context@ntg.nl
Subject: Re: \triangledown placed too low in Palatino
Date: Tue, 15 Apr 2014 08:49:42 +0200 [thread overview]
Message-ID: <534CD686.6010306@wxs.nl> (raw)
In-Reply-To: <87vbuccl6c.fsf@approx.mit.edu>
On 4/14/2014 11:30 AM, Sanjoy Mahajan wrote:
>> I can change things but will only do that when all you mathematicians
>> have some agreement about it ...
>
> Otared points out that the distinction between \triangle and
> \bigtriangleup comes from plain TeX. plain.tex has these definitions:
>
> \mathchardef\triangle="0234
> \mathchardef\bigtriangleup="2234
>
> So \triangle is a math ord and \bigtriangleup a math bin.
>
> For compatibility, that should probably stay true in ConTeXt too---even
> the low placement of \bigtriangledown, which I don't understand but
> which does reproduce plain TeX's placement.
why? if compatibility means 'not useable' we should fix it
>> Btw, it is still on my agenda to provide a mechanism for switching
>> between math dictionaries (i.e. group symbols in group switch if needed
>> different properties) so that one can switch between logic,
>> statistics, streetfighting or whatever math.
>
> Hm, like different dialects of a language. Plain TeX definitely speaks
> a pure-mathematician dialect. It would be interesting to see what
> symbol groups are useful in other dialects.
http://www.openmath.org/cdindex.html
it would be interesting to come up with a reasonable list of math languages
Hans
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next prev parent reply other threads:[~2014-04-15 6:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-10 21:49 Sanjoy Mahajan
2014-04-10 22:28 ` Jannik Voges
2014-04-11 0:28 ` Sanjoy Mahajan
2014-04-11 3:48 ` Aditya Mahajan
2014-04-11 4:06 ` Sanjoy Mahajan
2014-04-11 4:10 ` Aditya Mahajan
2014-04-11 4:12 ` Aditya Mahajan
2014-04-11 5:24 ` Mikael P. Sundqvist
2014-04-11 13:13 ` Otared Kavian
2014-04-13 2:44 ` Sanjoy Mahajan
2014-04-13 16:47 ` Hans Hagen
2014-04-14 9:30 ` Sanjoy Mahajan
2014-04-15 6:49 ` Hans Hagen [this message]
2014-04-15 12:12 ` Sanjoy Mahajan
2014-04-16 3:54 ` remove full stop after a title ending with punctuation Peng Zhang
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