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``Re: Cartesian product'' by Oncemore on 2006-05-25 09:16:34
I have seen a book which use a big cross to denote Cartesian product. It is Foundations of Modern Probability by Professor Olav Kallenberg. It uses something like \Cross_k S_k frequently, but I fail to produce a big cross in my own tex file. In fact, there is an package called ifsym, which is said to produce the big cross and many other geometric symbols, but TeX keeps saying it doesn't know "\Cross" even though I have include ifsym package in the header of my tex file. It is very weird. I would be happy if anyone can help me get through this.
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