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'".

Fuccaneer

1. 1. Noun. Pronunciation: (fuck-an-ear) Someone who goes on sex-capades, has sex with many women or men all around the same time. Like a..

Kristyn

1. someone who is characterized by being overly intelligent but not knowing how to put it to use in the real world. usually very hyper. coo..

Gay-chicken

1. To Face off with another guy and move their faces (lips) closer and closer together. The first one to turn or pull away from the other ..

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If And Only If Edit Meaning