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'".

Nerpee

1. mixing a 7-11 slurpee with the candy nerds One day I poured nerds into my slurpee and viola a nerpee See slurpee, combo, 7-11, nerds, ..

Rainy Day Activity

1. when ur sitten at home board and u pop a pregnantwomans water bag wid ur head i was bored a hell so i busted a rainy day activity on my..

Holy Oly

1. One who hides the holes in their socks by rolling the holes underneath their toes. "I saw my socks had some holes in them, so i pu..

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If And Only If Edit Meaning