So I don't feel particularly at home with this approach either. And I'm unsure whether importing symbols will also import correct spacing for them.
#DOES NOT EQUAL SIGN LATEX HOW TO#
Using unicode to enter math appears to be a non-trivial task for pdflatex.įrom this question I learned that there is a command called \divides somewhere out there, which apparently has binop spacing, but according to the comprehensive latex symbol list, it comes from mathabx, and even though there are guides on how to import individual symbols from that package, there are other voices indicating some kind of resource shortage related to this. On the other hand, since I'm mainly using pdflatex and not xetex or luatex, unicode probably isn't that important for me in practice. Perhaps a screen reader or some other accessibility thingy might make use of it. And semantically it seems “more correct” to somehow refer to this meaning, even if nobody will be able to tell the difference.
There are unicode symbols U+2223 and U+2224 (which I also used in the title of this question), so some fonts might even ship precomposed characters. But I seem to recall that the default interpretation of that was something other then a binary relation. I guess I could simply type | (vertical bar, U+007C) or \vert for one and a combination of that with \not for the other. What is the correct way, both semantically and typographically, to typeset a ∣ b and a ∤ b (read “a divides b” and ”a does not divide b”)?
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