logic

Universal Words noun 1 [U] a way of thinking or explaining sth: I fail to see the logic behind his argument. * The two parts of the plan were governed by the same logic. 2 [U,sing.] sensible reasons for doing sth: Linking the proposals in a single package did have a certain logic. * a strategy based on sound commercial logic * There is no logic to / in any of their claims. 3 [U] (philosophy) the science of thinking about or explaining the reason for sth using formal methods: the rules of logic 4 [U] (computing) a system or set of principles used in preparing a computer to perform a particular task