logic

[ loj-ik ]

/ ˈlɒdʒ ɪk /

SEE MORE SYNONYMS FOR logic ON THESAURUS.COM

noun

the science that investigates the principles governing correct or reliable inference.

a particular method of reasoning or argumentation: We were unable to follow his logic.

the system or principles of reasoning applicable to any branch of knowledge or study.

reason or sound judgment, as in utterances or actions: There wasn't much logic in her move.

convincing forcefulness; inexorable truth or persuasiveness: the irresistible logic of the facts.

Computers. logic circuit.

Nearby words

logging, logging stone, loggy, logi, logia, logic, logic array, logic bomb, logic cell, logic circuit, logic gate

Origin of logic

1325–75; Middle English logik < Latin logica, noun use of neuter plural (in ML taken as feminine singular) of Greek logikós of speech or reason. See logo-, -ic

SYNONYMS FOR logic

4 sense, cogency.

SEE MORE SYNONYMS FOR logic ON THESAURUS.COM

Related formslog·ic·less, adjectivenon·log·ic, noun

Definition for logic (2 of 2)

-logic

a combining form used in the formation of adjectives corresponding to nouns ending in -logy: analogic.

Origin of -logic

< Greek -logikós. See logic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for logic

Their logic: the sea-creature would come alive and drink up any remaining alcohol.
History's Craziest Hangover Cures|Justin Jones|December 30, 2014|DAILY BEAST
The birds will seek us out and they will use no logic we know.
Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
Kim Novak's heavy legs were concealed and all logic left on the cutting room floor.
Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
This came across in the Showtime Omit the Logic documentary—in which you were a commentator—and it comes across here.
How Richard Pryor Beat Bill Cosby and Transformed America|David Yaffe, Scott Saul|December 10, 2014|DAILY BEAST

There was a logic to it – many of the wines were from the Pacific Northwest, principally from Oregon and Washington state.
Beer Countries vs. Wine Countries|Clive Irving|December 7, 2014|DAILY BEAST
These were the aims Greek logic set itself, and successfully achieved.
Studies in the History and Method of Science|Various
The fence begins to melt as if in a haze and the logic of clearing this vast expanse of earth and rock escapes him.
The Land of Look Behind|Paul Cameron Brown
These have a logic of their own; but the dreamer has not even a crazy logic.
The Oxford Book of American Essays|Various
As it was, it was to stand or fall, not by logic, but by political needs and sympathies.
Familiar Studies of Men and Books|Robert Louis Stevenson
By it we hear what as yet we cannot touch and see what the arms of our logic are not long enough to reach.
The Meaning of Faith|Harry Emerson Fosdick

British Dictionary definitions for logic

logic

/ (ˈlɒdʒɪk) /

noun

the branch of philosophy concerned with analysing the patterns of reasoning by which a conclusion is properly drawn from a set of premises, without reference to meaning or contextSee also formal logic, deduction (def. 4), induction (def. 4)

any particular formal system in which are defined axioms and rules of inferenceCompare formal system, formal language

the system and principles of reasoning used in a specific field of study

a particular method of argument or reasoning

force or effectiveness in argument or dispute

reasoned thought or argument, as distinguished from irrationality

the relationship and interdependence of a series of events, facts, etc

chop logic to use excessively subtle or involved logic or argument

electronics computing

the principles underlying the units in a computer system that perform arithmetical and logical operationsSee also logic circuit
(as modifier)a logic element

Word Origin for logic

C14: from Old French logique from Medieval Latin logica (neuter plural, treated in Medieval Latin as feminine singular), from Greek logikos concerning speech or reasoning

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for logic

logic

mid-14c., "branch of philosophy that treats of forms of thinking," from Old French logique (13c.), from Latin (ars) logica, from Greek logike (techne) "reasoning (art)," from fem. of logikos "pertaining to speaking or reasoning," from logos "reason, idea, word" (see logos). Meaning "logical argumentation" is from c.1600.

Science definitions for logic

logic

[ lŏj′ĭk ]

The study of the principles of reasoning, especially of the structure of propositions as distinguished from their content and of method and validity in deductive reasoning.

Culture definitions for logic

logic

The branch of philosophy dealing with the principles of reasoning. Classical logic, as taught in ancient Greece and Rome, systematized rules for deduction. The modern scientific and philosophical logic of deduction has become closely allied to mathematics, especially in showing how the foundations of mathematics lie in logic.

logic

noun

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Nearby words

Origin of logic

Definition for logic (2 of 2)

-logic

Origin of -logic

Examples from the Web for logic

British Dictionary definitions for logic

logic

noun

Word Origin for logic

Word Origin and History for logic

logic

Science definitions for logic

logic

Culture definitions for logic

logic