Aristotle on Predication

Mesquita, António Pedro

http://hdl.handle.net/10451/34173

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Authors

Mesquita, António Pedro

Abstract(s)

Predication is a complex entity in Aristotelian thought. The aim of the present essay is to account for this complexity, making explicit the diverse forms it assumes. To this end, we turn to a crucial chapter of the Posterior Analytics (1 22), where, in the most com- plete and developed manner within the corpus, Aristotle proceeds to systematize this topic. From the analysis, it will become apparent that predication can assume, generically, five forms: 1) the predication of essence (τὸ αὐτῷ εἶναι κατηγορεῖσθαι), that is of the genus and the specific difference; 2) essential predication (τό ἐν τῷ τί ἐστι κατηγορεῖσθαι), that is either of the genus or of the differences (or their genera); 3) the predication of accidents per se and 4) simple accidents (ὡς συμβεβηκότα κατηγορεῖσθαι); 5) accidental predication (κατὰ συμβεβηκὸς κατηγορεῖσθαι). However, only types 2–4 are forms of strict predication (ἁπλῶς). In effect, the “pre- dication” of essence is not a genuine predication, but a formula for identity, constituting, technically, the statement of the essence of the subject (or its definition). On the other hand, accidental “predication” can only be conceived of as such equivocally, since it results from a linguistic accident through which the ontological subject of the attribution suffers a displacement to the syntactic position of the predicate, which is not, by nature, its own. In neither case does the attribution bring about any legitimate predication. The study concludes with a discussion of Aristotle’s thesis according to which no subs- tance can be a predicate, which is implied by its notion of accidental predication, a thesis which has been – and in our opinion wrongly so – challenged in modern times.