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  • logic
    logic
    noun
    the science that investigates the principles governing correct or reliable inference.
  • -logic
    -logic
    a combining form used in the formation of adjectives corresponding to nouns ending in -logy:
Synonyms

logic

1 American  
[loj-ik] / ˈlɒdʒ ɪk /

noun

  1. An image of the word logic as defined by the science that investigates the principles governing correct or reliable inference.

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

  2. a particular method of reasoning or argumentation.

    We were unable to follow his logic.

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

  4. reason or sound judgment, as in utterances or actions.

    There wasn't much logic in her move.
    Synonyms:
    cogency, sense

  5. convincing forcefulness; inexorable truth or persuasiveness.

    the irresistible logic of the facts.

  6. Computers. logic circuit.

-logic 2 American  

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

    analogic.
logic British  
/ ˈlɒdʒɪk /

noun

  1. 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 context See also formal logic deduction induction

  2. any particular formal system in which are defined axioms and rules of inference Compare formal system formal language

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

  4. a particular method of argument or reasoning

  5. force or effectiveness in argument or dispute

  6. reasoned thought or argument, as distinguished from irrationality

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

  8. to use excessively subtle or involved logic or argument

  9. electronics computing

    1. the principles underlying the units in a computer system that perform arithmetical and logical operations See also logic circuit

    2. ( as modifier )

      a logic element
"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
logic Scientific  
/ lŏj′ĭk /

  1. 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.

logic Cultural  

  1. 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.