Possible Duplicate:
How to look up a symbol?

How do you represent Indicator function in LaTeX?

I would like to use something like \mathbb or \mathcal on the "1" character; is it possible?

marked as duplicate by egreg, yo', Andrey Vihrov, Seamus, Thorsten Mar 21 '12 at 17:09

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Browse other questions tagged or ask your own question.