logic
UK /ˈlɒd͡ʒ.ɪk/ · US /ˈlɑ.d͡ʒɪk/ adjective, noun, verb
Forms logics logicking logicked logick
- adjective Logical.
- noun (uncountable) 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. “apply logic”
- noun (philosophy, logic) The study of the principles and criteria of valid inference and demonstration.
- noun (uncountable, mathematics) The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements.
- noun (countable, mathematics) A formal or informal language together with a deductive system or a model-theoretic semantics.
- noun (countable) Any system of thought, whether rigorous and productive or not, especially one associated with a particular person. “It's hard to work out his system of logic.”
- noun (uncountable) The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit. “Fred is designing the logic for the new controller.”
- noun (countable, sociology) A system of thought or collection of rhetoric, especially one associated with a social practice.
- verb (intransitive, derogatory) To engage in excessive or inappropriate application of logic.
- verb (transitive) To apply logical reasoning to.
- verb (transitive) To overcome by logical argument.
Synonyms
formal system study predicate logic logical system system of logic
Etymology
From Middle English logike, from Old French and Latin logicus, from Ancient Greek λογῐκός (logĭkós). Displaced native Old English flitcræftlīċ.
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”).
Webster’s 1913
- 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; correct reasoning.
- noun A treatise on logic; as, Mill's Logic.
Etymology [OE. logike, F. logique, L. logica, logice, Gr. Legend.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “logic”, CC BY-SA 4.0. Details