Meaning of LOGIC in English


Pronunciation: ' lä-jik

Function: noun

Etymology: Middle English logik, from Anglo-French, from Latin logica, from Greek logik ē , from feminine of logikos of reason, from logos reason ― more at LEGEND

Date: 12th century

1 a (1) : a science that deals with the principles and criteria of validity of inference and demonstration : the science of the formal principles of reasoning (2) : a branch or variety of logic <modal logic > <Boolean logic > (3) : a branch of semiotic especially : SYNTACTICS (4) : the formal principles of a branch of knowledge b (1) : a particular mode of reasoning viewed as valid or faulty (2) : RELEVANCE , PROPRIETY c : interrelation or sequence of facts or events when seen as inevitable or predictable d : the arrangement of circuit elements (as in a computer) needed for computation also : the circuits themselves

2 : something that forces a decision apart from or in opposition to reason <the logic of war>

– lo · gi · cian \ l ō - ' ji-sh ə n \ noun

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.