204 FOR THOSE STILL ON THE FENCE WITH TS@Q (files.catbox.moe) posted 3 years ago by Katrina241 3 years ago by Katrina241 +206 / -2 30 comments share 30 comments share save hide report block hide replies
In formal math notation upper case is reserved for the name of a variable, and lower case is used to represent a specific instance of that variable.
Thus Q would be the name of the group and q a member of the group.
I appreciate this little bit of logic added in your summation.