logic

Definition from Wiktionary, a free dictionary

Wikipedia

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Synonyms 1.3.2 Related terms 1.3.3 Derived terms 1.3.4 Translations 1.3.5 External links

[edit] English

[edit] Etymology

From Old French logique < Latin logica < Ancient Greek λογική (logike), “‘logic’”) < properly feminine of λογικός (logikós), “‘of or pertaining to speech or reason or reasoning, rational, reasonable’”) < λόγος (logos), “‘speech, reason’”).

[edit] Pronunciation

• (RP) enPR: lŏj'ĭk, IPA: /ˈlɒdʒɪk/, SAMPA: /"lQdZIk/
• (US) enPR: lŏj'ĭk, IPA: /ˈlɑːdʒɪk/, SAMPA: /"lA:dZIk/
•  Audio (US)^{help, file}
• Rhymes: -ɒdʒɪk

[edit] Noun

Wikipedia

logic (countable and uncountable; plural logics)

1. (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.
2. (philosophy, logic) The study of the principles and criteria of valid inference and demonstration.
3. (uncountable) (mathematics) The mathematical study of relationships between rigorously defined concepts and of proof of statements.
4. (countable) (mathematics) A formal or informal language together with a deductive system or a model-theoretic semantics.
5. (uncountable) 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.

6. (uncountable) The part of an electronic system that performs the boolean logic operations, short for logic gates or logic circuit.

   Fred is designing the logic for the new controller.

[edit] Synonyms

• (mathematics, study): formal logic, modern logic
• (mathematics, system): formal system
• (philosophy): predicate logic

[edit] Related terms

• logician
• logical

[edit] Derived terms

[edit] Translations

[edit] External links

• logic in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• logic in The Century Dictionary, The Century Co., New York, 1911
• logic at OneLook® Dictionary Search