Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
- noun A system of reasoning.
- noun A mode of reasoning.
- noun The formal, guiding principles of a discipline, school, or science.
- noun Valid reasoning.
- noun The relationship between elements and between an element and the whole in a set of objects, individuals, principles, or events.
- noun The nonarithmetic operations performed by a computer, such as sorting, comparing, and matching, that involve yes-no decisions.
- noun Computer circuitry.
- noun Graphic representation of computer circuitry.
from The Century Dictionary.
- noun The science of the distinction of true from false reasoning, with whatever is naturally treated in connection therewith. See the phrases below.
- noun [Dialectic and organon are generally synonyms of logic, though they have been variously distinguished at different times.]
- noun Reasoning, or power of reasoning; ratiocination; argumentation; used absolutely, reason; sound sense.
- noun The science of the necessary rules of thought: also called
scientific logic : opposed to natural logic . - noun The logical doctrine applicable to natural things: opposed to the logic of faith, which is applicable to supernatural things (a distinction used in discussions on the Trinity).
- noun An anthropological science which treats of the rules of the natural use of the understanding.
- noun The logic of objective thought, or thought as it exists in the external world.
- noun The science which expounds the laws by which our scientific procedure should be governed, so far as these lie in the contents, materials, or objects about which our knowledge is conversant. Also called
material logic . - Pertaining to God the Son as the Logos or Word of God.
from the GNU version of the Collaborative International Dictionary of English.
- noun 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; the science of correct reasoning.
- noun A treatise on logic.
- noun correct reasoning; ; also, sound judgment.
- noun The path of reasoning used in any specific argument.
- noun (Electronics, Computers) A function of an electrical circuit (called a gate) that mimics certain elementary binary logical operations on electrical signals, such as AND, OR, or NOT.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective
logical - noun uncountable A method of human
thought that involves thinking in alinear , step-by-step manner about how a problem can be solved. Logic is the basis of many principles including thescientific method . - noun philosophy, logic The study of the principles and criteria of valid
inference anddemonstration . - noun uncountable (
mathematics ) The mathematical study of relationships between rigorouslydefined concepts and ofproof ofstatements . - noun countable (
mathematics ) Aformal orinformal language together with adeductive system or a model-theoreticsemantics . - noun uncountable Any
system of thought, whetherrigorous andproductive or not, especially one associated with a particular person. - noun uncountable The part of a system (usually electronic) that performs the boolean logic operations, short for
logic gates or logic circuit. - verb intransitive, pejorative To engage in excessive or inappropriate application of logic.
- verb transitive To apply logical reasoning to.
- verb transitive To overcome by logical argument.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the principles that guide reasoning within a given field or situation
- noun a system of reasoning
- noun the branch of philosophy that analyzes inference
- noun the system of operations performed by a computer that underlies the machine's representation of logical operations
- noun reasoned and reasonable judgment
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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In some things it may be well that emotion is greater than logic; but emotion _in logic_ is sad to contend with, sad even to contemplate -- and such is too often the reasoning of the untrained woman.
Public Speaking Irvah Lester Winter
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That branch of logic which deals with _the advance from individual instances to general principles_, is called _inductive logic_.
The Approach to Philosophy Ralph Barton Perry 1916
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I certainly would have never used the term "logic" - Logic doesn't apply.
Top News Digg 2011
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I never attribute credibility to someone who got a degree in logic from a box of Cracker Jack.
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But Bush's main logic is that war is necessary, and I think more and more we'll hear the accompanying claim that it can also be beneficial in the idealistic ways that Bob Kaplan described.
Proceed With Caution 2002
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But Bush's main logic is that war is necessary, and I think more and more we'll hear the accompanying claim that it can also be beneficial in the idealistic ways that Bob Kaplan described.
Proceed With Caution 2002
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The term logic has two different meanings, an ancient and a modern one, and we vainly try to bridge the gulf between them.
Euthydemus 427? BC-347? BC Plato 1855
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Your logic is a shock to rational minds everywhere.
Think Progress » DOJ official reportedly clears torture architects John Yoo and Jay Bybee. 2010
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Ick. Mary Sue Killers think they are doing people a favour, but their logic is awful.
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The glaring fault in the logic is assuming that you will “replace the calories” burned from walking to the store.
Touring commented on the word logic
"Logic is little tweeting bird chirping in meadow. Logic is wreath of pretty flowers that smell bad." - Spock
December 6, 2010
alexz commented on the word logic
applied philosophy
October 20, 2017