Logic. Originally: †a logical distinction, differentiation, or division (sometimes distinguished from division: see division, n. 6.) (obsolete)…

Logic, etc. The action of dividing into kinds or classes; separation of a genus into species, called substantial division, or division per se…

Mathematics and Logic. The examination of the truth or falsehood of a proposition by working backwards from a particular conclusion which it entails…

Chiefly Philosophy. The science or method of using analysis to examine something complex; spec. the branch of logic that deals with analysis, esp…

Logic. In the earlier English writers used for what is now called division, n., i.e. the logical division of a genus (a logical whole) into the…

Philosophy. The investigation of complex ideas, concepts, etc., so as to determine their constituent elements and their structure; an instance of…