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Not sure if it is a CSS/browser issue, but coloneq () is not rendering correctly for me on the nLab (or nForum). It looks like “:-” to me. (Firefox 3.6)
Same in opera. Why don’t you just use ?
That’s what “coloneq” is supposed to be! To get := you need coloneqq, two q’s. I have no idea why they named them that way.
hehe :)
Ok. I think coloneq appears several places on the nLab when it should be coloneqq, but that could be my fault. I’ll add these to special characters.
I searched for coloneq and replaced it with coloneqq on canonical morphism and smooth loop space. I also added coloneq and coloneqq to special characters.
I might go around to a few pages and replace “:=” with coloneqq (time permitting), but that is not a big deal. I’ll likely just keep a passive eye out for it. This is just a minor cosmetic thing (for a Lab Elf). No big deal.
There are (at least) two different LaTeX character packages that provide something called \coloneq
. In one of them (the one which iTeX mimics), that command produces ‘’, while you need \coloneqq
to produce ‘’. In the other, the command produces ‘’, while you need (I think) \colonminus
to get ‘’. So people who spell it wrong may just be familiar with the other package.
Wow, what a bad idea!
Wow, what a bad idea!
I give your reaction a 10/10!
Wow, what a bad idea!
I assume that whichever package came second didn’t know about the one that came first; they’re both fairly old and may even predate CTAN. (But that’s just a guess; I don’t really know the history.)
I’ve never understood why anyone would use \coloneq
for , since there’s nothing “eq” about it. \colonminus
makes much more sense.
The theory is eq
for one bar, eqq
for two. Compare \leq
(‘’) and \leqq
(‘’), where that convention comes from and makes more sense.
I, um, see. I agree that the convention makes sense for \leq
and \leqq
but that doesn’t mean that it makes any sense for \coloneq
and \coloneqq
. If that’s the theory, then I think someone wasn’t thinking.
Well, I like that theory. I even \let \neqq \ne
to take advantage of it (and never use \neq
, nor \le
for that matter). However, I would probably pick \colonminus
and \coloneqq
as the least ambiguous terms, avoiding \coloneq
entirely.
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