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'".

Epitimals

1. a group of workers in the travel industry who make their colleagues pale in comparison with their wiles and good looks. any band of peo..

Mcdoolies

1. another name for McDonalds "Is you got apple pies?" said the kid at the McDoolies drive thru. See mcdonalds, mc, doolies, ap..

Zzu

1. Is an abbreviation for WAZZU. WAZZU is a nickname given to Washington State University due to the fact that it is not located in an over..

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If And Only If Edit Meaning