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'".

Zenos

1. A company that will give you IT qualifications that would usually take years in just 5months, and in the process you will sign your life..

Onij

1. Another spelling of "ownage", but way cooler. It is used to describe a person, place, or thing that is used to own somebody. ..

Lovewell

1. Once considered the most honorable class of love-makers in all the land, members regarded for both instinctive and learned traits. Only ..

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If And Only If Edit Meaning