[Tex/LaTex] the not subset symbol


Possible Duplicate:
How to look up a math symbol?

I am looking for the "not subset" symbol I see in my maths textbook. Wheres that?

In Lyx, I dont see it … Same here under relations

Best Answer

As always, Detexify is a great help here, or even the Comprehensive LaTeX Symbol List. You are looking for \not\subset:

B \not\subset A

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