If And Only If

What is If And Only If?

A term used by mathematicians and logicians to indicate that something happens under very specific conditions. Often seen in proofs and theories.

1) The sum a geometric sequence is given by a/(1-r) if and only if |r| < 1.

2) In a bar:

dumped guy: "My girlfriend left me because I told her I loved her!"

other guy: "What a bitch!"

dumped guy: "No, it's all my fault, she's a mathematician, and I should have said 'I love you and only you'".

Iawts

1. "I agree with this/that statement." A sister version of its overused counterparts, iawtc and iawtp. It is often used on messa..

Yolky

1. Head free rangerof Pokemon Zeo's forums. He leads all other free rangers in doing their jobs. Yolky is t3h pwnership at franging. ..

Flim Wad

1. 1)The "flim wad" was the original currency of the european community. 2)Flim Wad = A wankshaft of a plastic vicar who likes w..

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If And Only If Edit Meaning