Philosophy and Theology. Belonging to the ‘habit’ or inward disposition (see habit, n. 8); inherent or latent in the mental constitution.

Logic. Concerned with the matter, not the form, of reasoning; (occasionally) contingently valid. Cf. formal, adj. 1d.

Of a writing or treatise: containing or presenting a complete exposition or outline of a subject; of a subject or study: presented, formulated…

Originally and chiefly in Kantian philosophy: (of an idea, principle, maxim, etc.) that governs or directs rational inquiry or action despite…

Of or relating to methodology.

Of or pertaining to form, n., in various senses. Logic. Concerned with the form, as distinguished from the matter, of reasoning. formal concept…

Logic. Of or relating to the mere arrangement of words in the sentence or proposition, in contrast to its logical structure. So esp. grammatical form…

Logic. Designating a logic in which a proposition can be assigned any of three or more values, rather than being restricted to the values of truth…

Computing and Logic. (Of a set) defined so as to allow for imprecise membership criteria and for gradations of membership; pertaining or belonging…