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'".

Tristram

1. The best name available to the human race. some say he dosen't exist, others say he has three nipples. but every one agrees he is t..

Unt!

1. A short grunt-like shout directed at someone (usually from a distance) who has very recently done something embarrassing. ie: Tripping o..

Jeerz

1. to ejaculate or to pleasure yourself Sean B.: be right back, im going to jeerz..

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If And Only If Edit Meaning