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Logic

//ˈlɒd͡ʒ.ɪk// adj, noun, verb

Definitions

Adjective
  1. 1
    logical
Noun
  1. 1
    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. uncountable
  2. 2
    reasoned and reasonable judgment wordnet
  3. 3
    The study of the principles and criteria of valid inference and demonstration. countable, uncountable

    "An old tradition has it that there are two branches of logic: deductive logic and inductive logic. More recently, the differences between these disciplines have become so marked that most people nowadays use "logic" to mean deductive logic, reserving terms like "confirmation theory" for at least some of what used to be called inductive logic. I shall follow the more recent practice, and shall construe "philosophy of logic" as "philosophy of deductive logic"."

  4. 4
    a system of reasoning wordnet
  5. 5
    The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements. uncountable
Show 7 more definitions
  1. 6
    the principles that guide reasoning within a given field or situation wordnet
  2. 7
    A formal or informal language together with a deductive system or a model-theoretic semantics. countable
  3. 8
    the system of operations performed by a computer that underlies the machine's representation of logical operations wordnet
  4. 9
    Any system of thought, whether rigorous and productive or not, especially one associated with a particular person. countable

    "It's hard to work out his system of logic."

  5. 10
    the branch of philosophy that analyzes inference wordnet
  6. 11
    The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit. uncountable

    "Fred is designing the logic for the new controller."

  7. 12
    A system of thought or collection of rhetoric, especially one associated with a social practice. countable

    ""We identify four logics of empowerment (political, economic, social, and security) and apply these to understanding empowerment’s historical and contemporary meanings-in-use.""

Verb
  1. 1
    To engage in excessive or inappropriate application of logic. derogatory, intransitive

    "Nay, is not the author himself "logicking" against logic, from the beginning of his book to the end ?"

  2. 2
    To apply logical reasoning to. transitive

    "He logicked that one out. He snuck into Haiti and scored herbs to rev him and calm him."

  3. 3
    To overcome by logical argument. transitive

    "If things had gone as usual this night, if Kit had not logicked her into agreement, then she probably would have opened the door tonight."

Etymology

Etymology 1

From Middle English logike, from Old French and Latin logicus, from Ancient Greek λογῐκός (logĭkós).

Etymology 2

From Middle English logik, from Old French logike, from Latin logica, from Ancient Greek λογική (logikḗ, “logic”), from feminine of λογικός (logikós, “of or pertaining to speech or reason or reasoning, rational, reasonable”), from λόγος (lógos, “speech, reason”). Displaced native Old English flitcræft (literally “art of arguing”).

Etymology 3

From Middle English logik, from Old French logike, from Latin logica, from Ancient Greek λογική (logikḗ, “logic”), from feminine of λογικός (logikós, “of or pertaining to speech or reason or reasoning, rational, reasonable”), from λόγος (lógos, “speech, reason”). Displaced native Old English flitcræft (literally “art of arguing”).

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