logic

  • noun 1 reasoning conducted or assessed according to strict principles of validity. 2 the ability to reason correctly. 3 (the logic of) the course of action following as a necessary consequence of. 4 a system or set of principles underlying the arrangements of elements in a computer or electronic device so as to perform a specified task.

  — DERIVATIVES logician noun.

  — ORIGIN from Greek logike tekhne ‘art of reason’.

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