# \dots versus \ldots - is there a difference?

Is there a difference between `\dots` and `\ldots`, the ellipsis?

If yes: Which? When to use `\dots` and when to use `\ldots`?

If no: Why are there both at all?

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`\dots` is magic! ... when using amsmath ;-) – Juan A. Navarro Oct 17 '12 at 9:59
A great answer is here – moose Oct 19 '12 at 18:18

in `latex.ltx`, `\ldots` is equated (`\let`) to `\dots`. so in text, it's the same, and you can use either.
with `amsmath`, the situation is more complicated; `\dots` tries to determine by context (only in math mode) whether to use `\ldots` or `\cdots`, with several more options for the author if `amsmath` doesn't get it right.
so in general, it's easier to just use `\dots` and not have to remember the details.
@FooBar `texdoc source2e` is a good starting point :) – cmhughes Oct 15 '12 at 16:16