[OS X TeX] Latex symbol for "define equal"

[Markus Klyver]

Yes, the sign = usually denotes an equivalence relation between two sets of interest. So the equality sign is a matter of notation, denoting "equality" (in the sense of an equivalence relation).


________________________________
Från: MacOSX-TeX <macosx-tex-bounces at email.esm.psu.edu> för "Néstor E. Aguilera" <nestoreaguilera at gmail.com>
Skickat: den 21 augusti 2018 14:43
Till: Ralph Martin
Kopia: TeX on Mac OS X Mailing List
Ämne: Re: [OS X TeX] Latex symbol for "define equal"

Hi Ralph:

> On 21 Aug 2018, at 09:30, Ralph Martin <ralphrmartin at gmail.com> wrote:
>
>> [...]
>
> Definitions give *names* for concepts:
> - a "matrix" is a two-dimensional table ...
> - an "invertible matrix" is a matrix which ...
>
> Notation gives *symbols* for concepts (or quantities):
> - π is used to denote the ratio of the circumference of any circle to its diameter
> - t is used to denote time
> - boldface letters are used to denote vectors
>
> I always have trouble getting computer science students not to use multi-letter variable *names* in maths, when they should be using *symbols* for variables.

So, would you say that the equality sign (or some replacement of it) in a "definition" is actually describing a "notation"?

Nestor
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