1reasoning conducted or assessed according to strict principles of validity:experience is a better guide to this than deductive logicthe 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.
