22
votes
1answer
5k views

\varepsilon vs. \epsilon

I cannot remember anyone writing the letter epsilon in any other way than \varepsilon in any math class; but in LaTeX \epsilon and \varepsilon are different symbols. Do anyone of you know why there ...
3
votes
1answer
129 views

Single quotes around math?

I am using the syntax package, and I want to define a grammar like: Rule = Head -> Tail but when I do this: \begin{grammar} <rule> ::= <head> `$\rightarrow$' <tail> I get ...
141
votes
8answers
6k views

Are \( and \) preferable to dollar signs for math mode?

Along the lines of Why is \[ ... \] preferable to $$?, what reasons are there (if any) to favor \( ... \) over $ ... $?
193
votes
8answers
12k views

Why is \[ … \] preferable to $$ … $$?

I've heard that you should use \[ ... \] for displayed equations instead of $$ ... $$, but why is that? I'd assumed that it's so that you can more easily tell which are starting and which are ending ...