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Re: Binary Relations, draft 1

> I think the reason (if any) to make the distinction of setting these upright
> is that they are mulitletter combinations rather than that they are functions.
> This helps distinquish `sin' from the product of s, i, and n.

And the symbol "a" from the word "a".

That is indeed the way I was educated to understand the convention
(note, *not* a rule, at least in pure maths).

Maybe its a generational thing:-).  Every generation needs ots myhts!