If And Only If

What is If And Only If?


1.

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'".


15

Random Words:

1. A form of telepathy. When two males become such good friends that they subconciously know when one another needs to shit and both arrive..
1. The term used to describe a person who sharpens his/her pencil every 2-5 minutes, (because they always want it sharp as it can get) resu..
1. A futile waste of time and energy. "I tried to reason with her, but I was pissing against the wind" See pissing, futile, doo..