logic

 
Pronunciation: /ˈlɒdʒɪk/

noun

[mass noun]
  • 1reasoning conducted or assessed according to strict principles of validity: experience is a better guide to this than deductive logic the logic of the argument is faulty
  • a particular system or codification of the principles of proof and inference: Aristotelian logic
  • the systematic use of symbolic and mathematical techniques to determine the forms of valid deductive argument.
  • the quality of being justifiable by reason: there seemed to be a lack of logic in his remarks
  • (the logic of) the course of action suggested by or following as a necessary consequence of: the logic of private competition was to replace small firms by larger firms
  • 2a system or set of principles underlying the arrangements of elements in a computer or electronic device so as to perform a specified task.
  • logical operations collectively.

Derivatives

logician

Pronunciation: /ləˈdʒɪʃ(ə)n/
noun

Origin:

late Middle English: via Old French logique and late Latin logica from Greek logikē (tekhnē) '(art) of reason', from logos 'word, reason'