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'".

Bappet Lugs

1. Person with big ears (Scottish Accent) See er she's got bappet lugs!..

Knoife

1. 1. An extremely large knife. 2. A popular catch phrase. 1. That's not a knife, now THAT's a knoife. 2. like, KNOIFE!!! S..

Quinkage

1. Extreme dissapointment in the non attractractiveness of a sspposedly very attractive female. i.e The effect of a female not living up to..

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If And Only If Edit Meaning