{"schemaVersion":2,"id":"tlg2034.tlg006.local001","url":"https://thegreeklibrary.org/works/tlg2034.tlg006.local001/","urn":"urn:cts:greekLit:tlg2034.tlg006.local001","title":"Isagoge sive quinque voces","titleGreek":null,"alternateTitles":[],"author":"Porphyrius","authorityName":"PORPHYRIUS Phil.","authorUrl":"https://thegreeklibrary.org/authors/tlg2034-porphyrius/","authorityUrl":"https://thegreeklibrary.org/authors/tlg2034-porphyrius/","editors":["Adolf Busse"],"publication":{"digitalPublisher":"University of Leipzig","sourceTitle":"Porphyrii isagoge et in Aristotelis categorias commentarium","edition":null,"publisher":"Reimer","place":"Berlin","date":"1887","volume":"4, Part 1","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), 2015 - 2017","names":[]},{"role":"Technical Advisor","names":[]}]},"corpus":{"version":"2.2.0","date":"2026-08-29"},"revisionDate":"2026-08-15","sourceUrl":"https://babel.hathitrust.org/cgi/pt?id=njp.32101075724227;view=1up;seq=61","sourceLinkType":null,"sourceRights":null,"citation":"Porphyrius. Isagoge sive quinque voces. ed. Adolf Busse. Porphyrii isagoge et in Aristotelis categorias commentarium, Berlin, Reimer, 1887. urn:cts:greekLit:tlg2034.tlg006.local001","excerpt":"Ὄντος ἀναγκαίου, Χρυσαόριε, καὶ εἰς τὴν τῶν παρὰ Ἀριστοτέλει κατηγοριῶν 1a Brand. διδασκαλίαν τοῦ γνῶναι τί γένος καὶ τί διαφορὰ τί τε εἶδος καὶ τί ἴδιον καὶ τί συμβεβηκός, εἴς τε τὴν τῶν ὁρισμῶν ἀπόδοσιν καὶ ὅλως εἰς τὰ περὶ διαιρέσεως καὶ ἀποδείξεως χρησίμης οὔσης τῆς τούτων θεωρίας, σύντομόν σοι παράδοσιν ποιούμενος πειράσομαι διὰ βραχέων ὥσπερ ἐν εἰσαγωγῆς τρόπῳ τὰ παρὰ τοῖς πρεσβυτέροις ἐπελθεῖν, τῶν μὲν βαθυτέρων ἀπεχόμενος ζητημάτων, τῶν δ᾿ ἁπλουστέρων συμμέτρως στοχαζόμενος. αὐτίκα περὶ τῶν γενῶν τε καὶ εἰδῶν τὸ μὲν εἴτε ὑψέστηκεν εἴτε καὶ ἐν μόναις ψιλαῖς ἐπινοίαις κεῖται εἴτε καὶ ὑφεστηκότα σώματά ἐστιν ἢ ἀσώματα καὶ πότερον χωριστὰ ἢ ἐν τοῖς αἰσθητοῖς καὶ περὶ ταῦτα ὑφεστῶτα, παραιτήσομαι λέγειν βαθυτάτης οὔσης τῆς τοιαύτης πραγματείας καὶ ἄλλης μείζονος δεομένης ἐξετάσεως· τὸ δ᾿ ὅπως περὶ αὐτῶν καὶ τῶν προκειμένων λογικώτερον οἱ καλαιοὶ διέλαβον καὶ τούτων μάλιστα οἱ ἐκ τοῦ…","divisions":[{"label":"PORPHYRII ISAGOGE ET IN ARISTOTELIS CATEGORIAS COMMEiNTARIUM","url":"https://thegreeklibrary.org/works/tlg2034.tlg006.local001/#tlg2034-tlg006-local001-1"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg2034.tlg006.local001/","json":"https://thegreeklibrary.org/api/works/tlg2034.tlg006.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg2034/tlg006/local001.json.gz"}}