What does the symbol Î mean in number theory?

jbowers9 · Dec 5, 2007

What does the symbol Î mean in number theory? As in...
Prove if r,s Î Z, then 4r + 6s is even...

Also, where can I find a website with a comprehensive math symbol index?

cristo · Dec 5, 2007

It should be [itex]\in[/itex]. There's probably some conflict where they both use the same code or something like that.

jim mcnamara · Dec 5, 2007

Cristo is pointing out that what you see is a font translation/rendering problem, and quite correctly. I've had things like that happen and confuse the living ... out of me.

Gokul43201 · Dec 5, 2007

jbowers9 said:

Also, where can I find a website with a comprehensive math symbol index?

It is a wiki, so be wary, but it has all the common symbols with their meanings.

http://en.wikipedia.org/wiki/Table_of_mathematical_symbols

What does the symbol Î mean in number theory?

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