(Greek > Latin: the art of speaking and reasoning)

hard-wired logic (s) (noun), hard-wired logics (pl)
A group of electronic circuits whose function is determined by the types of inter-connectivity among the circuits: In contrast to the hard-wired logic functions of the larger computer circuits, a microcomputer is determined by the program that is installed.
illogical (adjective), more illogical, most illogical
A reference to a lack of sound reasoning: It is illogical for Sally to spend a lot of money for things she doesn't need.
logic (s) (noun), logics (pl)
1. A standard form of knowledge that investigates the principles of valid reasoning and correct inferences: Logic may consist of either a general to a particular form (deductive logic); or from a particular to a general form (inductive logic).
2. Basic principles of reasoning developed by and which are applicable to any field of knowledge: The researchers, Mr. Jones and Mr. Smith, followed the standards set up by the logic of their scientific administers.
3. An effective or convincing force: The logic of Sandra's arguments could not be reasonably challenged.
4. A system of thought or ideas that govern conduct, belief, behavior, etc.: There are currently protestors who are against what they consider to be the logic of some businesses.
5. A system or set of principles that are the basics in a computer or electronic device that perform specified tasks: Chris, the programmer, utilized certain logics so the computer would automatically function to accomplish specific results.

Logic is also used to describe the science that deals with the creation of computer circuits.

6. The non-arithmetical operations in a computer; such as, comparing, selecting, matching, and sorting, where binary or yes-or-no decisions are involved: Data processing usually means the handling of information by arithmetic rules; however in more complex machines, there is the performance of logic operations of "and", "not", and "or".

Logic is any process of reasoning that shows you are right.

—Evan Esar

When dealing with people, remember you are not dealing with creatures of logic, but with creatures of emotion, creatures bristling with prejudice and motivated by pride and vanity.

—Dale Carnegie

Politeness is better than logic. You can often persuade when you cannot convince.

—Henry Wheeler Shaw
logic gate (s) (noun), logic gates (pl)
A device which is usually an electrical circuit that performs one or more specific operations on one or more input signals: The logic gates are the building blocks of digital technology including solid-state semiconductor devices that perform arithmetic/logic operations.
logical (adjective), more logical, most logical
1. Relating to or of the nature of reasoning: As a student, Timothy learned to think sensibly and to come to a logical conclusion that was based on facts instead of emotional feelings.
2. A reference to that which is consistent with the points of rationalization: Dr. Cliff's presentation made it easier for her students to come to a logical conclusion regarding the results of the research.
3. Characterized by clear argumentation: George wrote a logical report regarding the project he and his colleagues were working on.

In order to keep one's car running well, a logical decision must be made to have it serviced by reliable mechanics.

Logical is believing that you owe the doctor nothing when he finds nothing wrong with you.

—Evan Esar
logical error (s) (noun), logical errors (pl)
Faults in a computer-program design; such as, in the order of instructions: Logical errors may cause a program to respond incorrectly to the user's requests or to crash completely.
logical positivism, logical empircism (s) (noun)
A movement in philosophy that is devoted to unifying the sciences: Logical positivism primarily involves the creation of a unified terminology in which the statements of any science can be expressed and comprehended.
logically (adverb), more logically, most logically
1. Relating to the formal processes used in thinking and deduction: Since Sarah had helped them in the past, Jason and Mason logically assumed that she would help them again.

The politician couldn't logically explain why he was not running for office this time.

2. Using good or rational conceptualization: Shareen was logically coming up with the best solutions for deciding which university she would attend.
logicaster (s) (noun), logicasters (pl)
Someone whose thought processes are less valid than he or she thinks: After his speech, Steve was called a petty, incompetent logicaster by many who were in the audience.
logician (s) (noun), logicians (pl)
Someone who is skilled in reasoning: The professor was a highly respected logician.

A logician is a person who thinks nothing of thinking or who always has a reason for a reason.

—Evan Esar
logistic (adjective), more logistic, most logistic
Descriptive of an aspect of military operations that is concerned with the procurement, distribution, maintenance, and the replacement of personnel and any required equipment: The captain was assigned to the logistic unit that took care of the military operations on his base.
logistical (adjective), more logistical, most logistical
A reference to something that needs to be planned and organized: Organizing the street parade was a logistical catastrophe when the thunder storm hit the area.
logistics (noun) (a plural form used as a singular)
1. Things that need to be done in order to plan and to organize a complicated event or action which involves many people: Tom and his staff were responsible for the logistics needed to organize the political campaign.

Joyce was responsible for the logistics of the camping trip that her family would be taking next month.

2. A branch of military science that involves the details of moving, evacuating, and supplying armies: Efficient logistics is the essential element to a successful military campaign.
3. Etymology: this term, logistics, is NOT related to the other entries in this unit meaning "reasoning" but to French logistique from logis, "quarters, lodge"; although there is usually a certain amount of "reasoning" which is necessary to accomplish any objectives that a person desires.
A military group which deals with the details of transporting and supplying of troops to various places.
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