{"schemaVersion":2,"id":"tlg4016.tlg001.local001","url":"https://thegreeklibrary.org/works/tlg4016.tlg001.local001/","urn":"urn:cts:greekLit:tlg4016.tlg001.local001","title":"In Porphyrii Isagogen Sive Quinque Voces","titleGreek":null,"alternateTitles":[],"author":"Ammonius","authorityName":"AMMONIUS Phil.","authorUrl":"https://thegreeklibrary.org/authors/tlg4016-ammonius/","authorityUrl":"https://thegreeklibrary.org/authors/tlg4016-ammonius/","editors":["Adolf Busse"],"publication":{"digitalPublisher":"University of Leipzig","sourceTitle":"Ammonius in Porphyrii isagogen sive quinque voces","edition":null,"publisher":"Reimer","place":"Berlin","date":"1888","volume":"7","series":"Commentaria in Aristotelem Graeca","citation":null,"citationShort":null},"rights":{"text":"Available under a Creative Commons Attribution-ShareAlike 4.0 International License","url":"https://creativecommons.org/licenses/by-sa/4.0/"},"provenance":{"authority":"University of Leipzig","sponsors":["University of Leipzig"],"funders":["European Social Fund Saxony"],"principal":"Gregory Crane","responsibilities":[{"role":"Editor-in-Chief, Perseus Digital Library","names":[]},{"role":"Corrected and encoded the text","names":[]},{"role":"Project Manager (University of Leipzig)","names":[]},{"role":"Project Assistant (University of Leipzig)","names":[]},{"role":"Lead Developer (University of Leipzig)","names":[]},{"role":"Technical Advisor","names":[]},{"role":"Project Manager (University of Leipzig), 2013-2014","names":[]},{"role":"Technical Manager (University of Leipzig), 2013-2015","names":[]},{"role":"Project Manager (University of Leipzig), 2015","names":[]}]},"corpus":{"version":"2.2.0","date":"2026-08-29"},"revisionDate":"2026-08-15","sourceUrl":"https://archive.org/stream/commentariainari04akaduoft#page/n167/mode/2up","sourceLinkType":null,"sourceRights":null,"citation":"Ammonius. In Porphyrii Isagogen Sive Quinque Voces. ed. Adolf Busse. Ammonius in Porphyrii isagogen sive quinque voces, Berlin, Reimer, 1888. urn:cts:greekLit:tlg4016.tlg001.local001","excerpt":"ed. pr. 2r Μέλλοντας ἡμᾶς ἄρχεσθαι φιλοσόφων λόγων ἀναγκαῖόν ὲστι μαθεῖν τί ποτέ ἐστι φιλοσοφία. δεῖ γὰρ τὸν ἀρχόμενόν του πρότερον μαθεῖν τί μανθάνομεν δὲ τὰ πράγματα ἐκ τῶν ὁρισμῶν. καὶ πῶς δυνατὸν δι’ ὁρισμοῦ μαθεῖν πρᾶγμα ἀγνοουμένου τοῦ τί ἐστιν ὁρισμός; ὁρισμὸς τοίνυν ἐστὶ λόγος σύντομος δεικνὺς τὴν τοὐ πράγματος φύσιν. ὁρισμὸς δὲ λέγεται ἀπὸ μεταφορᾶς τῶν ἐν τοῖς χωρίοις ὅρων· ὥσπερ γὰρ ἐκεῖνοι περιλαμβάνουσι τὸ χωρίον καὶ χωρίζουσι τῶν ἀλλοτρίων, οὕτω καὶ οἱ ὁρισμοὶ περιλαμβάνουσι τὸ πρᾶγμα καὶ χωρίζουσι τῶν ἄλλων ἀπάντων. δεῖ τοίνυν ὁρισμὸν τῆς φιλοσοφίας εἰπεῖν, ὥσπερ καὶ τῆς γραμματικῆς ἀρχόμενοι τὸν ὁρισμὸν ἐμανθάνομεν, ὅτι γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων· ὁμοίως καὶ ῥητορικῆς ἀρχόμενοι τὸν ὁρισμὸν ἐμάθομεν, ὅτι ῥητορική ἐστι δύναμις τεχνικὴ πιθανοῦ λόγου ἐν πράγματι πολιτικῷ τέλος ἔχουσα τὸ εὖ λέγειν· δεῖ οὖν καὶ τῆς…","divisions":[{"label":"ΑΜΜΩΝΙΟΥ ΕΡΜΕΙΟΥ ΕΞΗΓΗΣΙΣ ΤΩΝ ΠΕΝΤΕ ΦΩΝΩΝ","url":"https://thegreeklibrary.org/works/tlg4016.tlg001.local001/#tlg4016-tlg001-local001-2"},{"label":"Indices","url":"https://thegreeklibrary.org/works/tlg4016.tlg001.local001/#tlg4016-tlg001-local001-indices"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg4016.tlg001.local001/","json":"https://thegreeklibrary.org/api/works/tlg4016.tlg001.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg4016/tlg001/local001.json.gz"}}