# Math Help - What does this symbol mean?

1. ## What does this symbol mean?

Quick question:

what does the symbol $\nmid$ mean?

2. It is the negation for 'given' in conditional probability.

I.e $P(A\nmid B)$

3. Originally Posted by MichaelMath
what does the symbol $\nmid$ mean?
Depends on context. $n\nmid m$ could mean that $n$ does no divide $m$.

4. I reckon that's correct since I got it from here (the first line about the subgroups of order 6).