Undefined control sequence \nmid

Asked Oct 29 '13 at 07:43

Active Oct 29 '13 at 07:43

Viewed 8,927 times

I need to express that "a is not divisible by b" in my LaTeX document. It is my understanding that I should use the \nmid symbol for this case, as in $b \nmid a$ .

LaTeX gives me the following error: Undefined control sequence. The \mid symbol works fine. I have imported the amsmath package via the following command: \usepackage{amsmath}.

What am I missing?

asked Oct 29 '13 at 07:43

Dušan Rychnovský

7

You need \usepackage{amssymb}. – egreg Oct 29 '13 at 07:45
1

Zdravím, Dušane, přesně jak říká @egreg, tohle je v amssymb, ne v amsmath. – yo' Oct 29 '13 at 07:46
See also http://tex.stackexchange.com/questions/117032/divides-not-divides-and-cardinalities – egreg Oct 29 '13 at 07:50
http://detexify.kirelabs.org/classify.html gives you command/symbol and package that supports it. – Crowley Oct 29 '13 at 08:37

Undefined control sequence \nmid

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