You can post LaTeX by using becomes .

There's a fairly thorough tutorial on LaTeX stickied in Help Me!. You can also click on any LaTeX image (like all the ones in the posts above) to see the code that made it.

]]>How can I generate/create a symbol?]]>

I vaguely remember there being a discussion/argument about this before.

Maybe people started getting abusive and it got deleted?

(Or maybe I made it all up )]]>

If we get agreement I can simply edit the original post

]]>: Contains as a member: Not an element of]]>: Does not belong to, in set theory

= And, in symbolic logic = Or, in Symbolic logic

I believe those are reversed.

= Or (corresponding to )and

= And (corresponding to )]]>I came across this symbol today as a subscript to L, and it meant luminosity using the sun's as a base - so I'm guessing it means "using the stated base".

]]>: Direct sum

: Direct product]]>

If , then there's an injection from B to A.]]>

Do you know what this symbol is? I remember seeing it somewhere, but I don't know what it means. You can delete my post after.

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