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'".

Jay-d

1. The nickname for the rapper Jermaine Dupri. Used especially often in the late 1990's when Jermain Dupri, and rival rapper Jay-Z bot..

Viewtiful Joe

1. One of the best games for the GCN. If you love classic 2-d/3-d side-scrolling brawlers, you'll love Viewtiful Joe. The game's..

Jew Claw

1. A word used to describe the claw (maybe for money) that jews have. used on the ali g show. Borat: What would be the best way to defend..

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If And Only If Edit Meaning