LOGIC

logic

(noun) reasoned and reasonable judgment; “it made a certain kind of logic”

logic, logical system, system of logic

(noun) a system of reasoning

logic

(noun) the principles that guide reasoning within a given field or situation; “economic logic requires it”; “by the logic of war”

logic

(noun) the system of operations performed by a computer that underlies the machine’s representation of logical operations

logic

(noun) the branch of philosophy that analyzes inference

Source: WordNet® 3.1

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Etymology

Adjective

logic

logical

Noun

logic (countable and uncountable, plural logics)

(uncountable) A method of human thought that involves thinking in a linear, step-by-step manner about how a problem can be solved. Logic is the basis of many principles including the scientific method.

(philosophy, logic) The study of the principles and criteria of valid inference and demonstration.

(uncountable, mathematics) The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements.

(countable, mathematics) A formal or informal language together with a deductive system or a model-theoretic semantics.

(uncountable) Any system of thought, whether rigorous and productive or not, especially one associated with a particular person.

(uncountable) The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit.

Synonyms

• (mathematics, study): formal logic, modern logic

• (mathematics, system): formal system

• (philosophy): predicate logic

Verb

logic (third-person singular simple present logics, present participle logicking, simple past and past participle logicked)

(intransitive, pejorative) To engage in excessive or inappropriate application of logic.

(transitive) To apply logical reasoning to.

(transitive) To overcome by logical argument.

Source: Wiktionary

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Log"ic, n. Etym: [OE. logike, F. logique, L. logica, logice, Gr. Legend.]

1. The science or art of exact reasoning, or of pure and formal thought, or of the laws according to which the processes of pure thinking should be conducted; the science of the formation and application of general notions; the science of generalization, judgment, classification, reasoning, and systematic arrangement; correct reasoning.

Logic is science of the laws of thought, as that is, of the necessary conditions to which thought, considered in itself, is subject. Sir W. Hamilton.

Note: Logic is distinguished as pure and applied. " Pure logic is a science of the form, or of the formal laws, of thinking, and not of the matter. Applied logic teaches the application of the forms of thinking to those objects about which men do think. " Abp. Thomson.

2. A treatise on logic; as, Mill's Logic.

Source: Webster’s Unabridged Dictionary 1913 Edition

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