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  1. Logic | Definition, Types & Uses | Britannica

    Dec 11, 2025 · Logic, the study of correct reasoning, especially as it involves the drawing of inferences. This article discusses the basic elements and problems of contemporary logic and …

  2. Logic - Wikipedia

    Extended logics accept the basic intuitions behind classical logic and apply it to other fields, such as metaphysics, ethics, and epistemology. Deviant logics, on the other hand, reject certain …

  3. LOGIC | definition in the Cambridge English Dictionary

    LOGIC meaning: 1. a particular way of thinking, especially one that is reasonable and based on good judgment: 2…. Learn more.

  4. 1.1: What is Logic? - Humanities LibreTexts

    There are many logics; the purpose of this book is to give an overview of some of the most basic ones. So, the object of study in logic is human reasoning, with the goal of distinguishing the …

  5. Logic - Wikiversity

    Sep 18, 2025 · Notice: Incomplete Logic is the study of correct thought. In logic, there are a few things at its core: quantifiers, predicates, objects, and logical connectives.

  6. logic noun - Definition, pictures, pronunciation and usage notes ...

    Definition of logic noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  7. LOGIC Definition & Meaning - Merriam-Webster

    The meaning of LOGIC is a science that deals with the principles and criteria of validity of inference and demonstration : the science of the formal principles of reasoning. How to use …

  8. What is Logic? – Introduction to Philosophy: Logic

    We talk of logic, but also of logics. A logic is just a set of rules and techniques for distinguishing good reasoning from bad. A logic must formulate precise standards for evaluating reasoning …

  9. Philosophy of logic - Wikipedia

    Various logical formal systems or logics have been developed in the 20th century and it is the task of the philosophy of logic to classify them, to show how they are related to each other, and to …

  10. Logic - New World Encyclopedia

    The logics discussed above are all "bivalent" or "two-valued"; that is, they are to be understood as dividing all propositions into just two groups: those that are true and those that are false.