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'".

Hog's Eye

1. The interface between the urethra and the outside world. We got him to confess to Jill Dando's murder by forcing hot things up his..

Grandiocre

1. mediocre but with delusions of grandeur I got cornered at the party last night by this dude who was insufferably grandiocre. See grand..

Piggums

1. Someone who is pig-like or resembles a pig or piglet or has pig features. Oh you are a piggums! Hi little piggums! Piggums Brown! E..

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If And Only If Edit Meaning