In message "[ruby-talk:8790] Re: No :<, :>, etc. methods for Array"
    on 01/01/08, David Alan Black <dblack / candle.superlink.net> writes:
>> Does anyone know the name of operator family which consists of $\sum$,
>> $\bigcup$ etc...? Jean?
>
>
>I don't know it, but I doubt it's "Jean".
>
>(ha ha)

Ouch, I shoud not omit verb until I understand English more... :-(

-- Gotoken