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'".

Int.

1. internet ya, we downloaded it off the int. See ryan..

Ungulate

1. Things that would hurt if they kicked you, because they have hooves. HOOVES, DAMN IT. He's just un ungulate, marg, he can't C..

Crow Position

1. defined in the Kama Sutra as "bodies inverted, the two lovers grasp eachothers sex organs with their mouths experiencing great heig..

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If And Only If Edit Meaning