[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Binary Relations, draft 1
- To: email@example.com
- Subject: Re: Binary Relations, draft 1
- From: Taco Hoekwater <firstname.lastname@example.org>
- Date: Tue, 17 Nov 1998 00:14:51 +0100 (W. Europe Standard Time)
- Content-Length: 1226
>>>>> "HA" == Hans Aberg <email@example.com> writes:
>> We are left with the question whether the equilateral triangles are
>> relations or operations, with a "probably not" as temporary answer.
HA> No, I think that equilateral triangles can be binary operators, like the
HA> TeX \triangleleft and \triangleright. These should then be small in size,
HA> similar to that of \circ, \bullet and those.
Sorry, that was my intended meaning.
HA> In addition to the outline binary operations, just as \circ has a filled-in
HA> version \bullet, one might think of filled in versions of \triangleleft,
HA> \triangleright, and \diamond.
These are all in the tables.
HA> I have also found that both outline and filled similarly sized and
HA> positioned small squares are excellent to use as binary operations.
And these too.
>> Building on that, we would like to have a variation on the triangles as
>> binary relations, and these probably should look like closed succ and
>> prec. (with the advantage that these can never be confused with the
>> equilateral triangle operators). Am I correct?
HA> Yes, that is my suggestion.
Ok, will be done.
[...the other problems are more or less solved now...]