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

["Néstor E. Aguilera"]

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