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'".

Mummi Peg

1. noun A game that is played with two players who stand facing each other and throw a knife into the ground between the other person&apos..

African't

1. An overly pessimistic black man. Tyrese: Damn, I ain't never getting a job. Shakwanda: Be an African, not an African't. Tyr..

I Hate Lamp

1. What a person says when they hate a particular lamp in a home. Frankie: Man, what a awesome house you have here. Susie: Thanks, homebo..

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If And Only If Edit Meaning