1. The governing force by which the universe is supposed to operate, but doesn't really.

Non-operation is defined in the sense of a computer program having an error in its programming. Sense life has not crashed, we are forced to conclude that the universe operates.

An extremely logical person will attempt to relate every event, emotion, and idea into a universal truth and will probably devote the entirety of their life to this endeavor, possibly to the point of obsession. When they fail utterly they can only say that they did the most logical thing possible.

2. An excuse to ignore the emotions, logic, ability, or worth of others in order to do whatever the hell one wants.
Boy: Why do you say that?
Girl: Monkeys are invading the world.
Boy: Where?
Girl: Everywhere.
The boy looks around the room.
Boy: But I do not see any monkeys. If monkeys are invading the world everywhere then they should be here as well. Therefore I am forced to conclude that your statement is false unless you have some other information to show me otherwise.
Girl: Stop being so damn logical! It was a freaking joke, you damn bastard! I HATE YOU! #@$&%#&@$&%#@$&!!!
by Dr. Batido November 25, 2005
Top Definition
Systematic thinking process of coming to the best solution, which somehow seems evade most parents.
Lack of Logic:
"Take out the garbage and wheel the garbage can to the road"
"But Mom, it's only Saturday, the trash gets picked up on Mondays"
by Blaalien March 20, 2006
Something that makes Vulcans sexually aroused. Vulcans usually raise an eyebrow and look at their superior officers suggestively when they find something logical.
"Very . . . logical. Captain Kirk..."
by WhoisHomer February 05, 2005
An archaic custom or practice which anthropologists believe people of ancient times may have used to help influence their decision making ability. This lost art is sadly neither relevant nor present in the post-modern era.
To not provide an example would be beyond all logic.
by nethcev! August 31, 2006
Logic (from the Greek λογική, logikē)1 refers to both the study of modes of reasoning (which are valid and which are fallacious)2 and the use of valid reasoning. In the latter sense, logic is used in most intellectual activities, including philosophy and science, but in the first sense, is primarily studied in the disciplines of philosophy, mathematics, semantics, and computer science. It examines general forms that arguments may take. In mathematics, it is the study of valid inferences within some formal language.3 Logic is also studied in argumentation theory.4

Logic was studied in several ancient civilizations, including India,5 China,6 and Greece. In the west, logic was established as a formal discipline by Aristotle, who gave it a fundamental place in philosophy. The study of logic was part of the classical trivium, which also included grammar and rhetoric.

Logic is often divided into three parts, inductive reasoning, abductive reasoning, and deductive reasoning.
What are you working on Charles?
Oh, I am doing logic homework!

What is it about?
Oh, its a subject about reasoning in a logical manner, I am doing a proof that involves the transitive property of equality.
by david faustino November 07, 2012
Something that makes mathematical sense.

Exact reasoning, or knowing what is true and how to know whether it is true.

The by-product of thinking without relying on emotions.
Simple logic: If the kid smokes weed and smoking weed will cause cancer, therefore the kid will get cancer. (even though that's open for debate).

There is no form of logic in a woman's method of thinking.
by AYB October 18, 2003
Logic: A system of reasoning.

Synonym: Reason, Judgment, Common sense.
Antonym: Leviathan, Conservatism, George W. Bush.
Leviathan was at his best today, attempting to defy logic.
by anonymous June 12, 2004
The idea of using simple steps to overcome obstacles, problems, situations; something a wise and intelligent person uses to avoid making things assumed or implied; knowing the correct thing over the fastest and easiest thing
Halo Forge game; March the 31st, 2013

P1: Why did you place all the spawns there? And that Coliseum Wall there?
P2: Sorry!
P1: You are stupid
P2: Bitch! Not knowing one thing does not make me stupid. You know I made it through 8 years of college.
P1: Damn. You're right. I should use logic.

P2 was very intelligent, and P1 forgot not knowing one damn thing does not make you stupid; he forgot to use logic!
by Anti-Everything You Say March 31, 2013

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