{"schemaVersion":2,"id":"tlg4021.tlg002.local001","url":"https://thegreeklibrary.org/works/tlg4021.tlg002.local001/","urn":"urn:cts:greekLit:tlg4021.tlg002.local001","title":"In Porphyrii isagogen commentarium","titleGreek":null,"alternateTitles":[],"author":"David the Invincible","authorityName":"DAVID Phil.","authorUrl":"https://thegreeklibrary.org/authors/tlg4021-david/","authorityUrl":"https://thegreeklibrary.org/authors/tlg4021-david/","editors":["Adolf Busse"],"publication":{"digitalPublisher":"University of Leipzig","sourceTitle":"Davidis Prolegomena et in Porphyrii Isagogen Commentarium","edition":null,"publisher":"Reimer","place":"Berlin","date":"1904","volume":"18.2","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://hdl.handle.net/2027/njp.32101075724144?urlappend=%3Bseq=332","sourceLinkType":null,"sourceRights":null,"citation":"David The Invincible. In Porphyrii isagogen commentarium. ed. Adolf Busse. Davidis Prolegomena et in Porphyrii Isagogen Commentarium, Berlin, Reimer, 1904. urn:cts:greekLit:tlg4021.tlg002.local001","excerpt":"<Πρᾶξις α΄>. Μέλλοντες σὺν θεῷ ἄρχεσθαι τοὐ παρόντος συγγράμματος τὰ εἰωθότα ὑπὸ τῶν ἐξηγητῶν ζητεῖσθαι κεφάλαια, ὀκτὼ τὸν ἀριθμὸν ὄντα, ζητήσωμεν. κεφάλαια δὲ ταῦτα λέγονται, διότι τὸ κῦρος παντὸς τοῦ λόγου ἐπέχουσιν· ὥσπερ γὰρ ἡ κεφαλὴ τὸ κῦρος παντὸς τοῦ ζῴου ἐπέχει, διότι αἱ αἰσθήσεις ἐν αὐτῇ εἰσιν ἢ διότι τὴν βασιλεύουσαν τῶν αἰσθήσεων, φημὶ δὴ τὴν ὅρασιν, αὐτὴ ἔχει, τὸν αὐτὸν τρόπον καὶ ταῦτα τὰ λεγόμενα κεφάλαια τὸ κῦρος παντὸς τοῦ λόγου ἐπέχουσιν. εἰσὶ δέ, ὡς εἴρηται, τὰ ὀκτὼ τὸν ἀριθμὸν κεφάλαια ταῦτα· οἷον ὁ σκοπός, τὸ χρήσιμον, τὸ γνήσιον, ἡ αἰτία τῆς ἐπι- γραφῆς, ἡ εἰς τὰ κεφάλαια διαίρεσις, ἡ τάξις, ὁ διδασκαλικὸς τρόπος καὶ ἡ ὑπὸ τί μέρος ἀναφορά. Οὐ περιττὸν δέ τι ποιοῦντες ταῦτα ζητοῦσιν, ἀλλὰ βουλόμενοι προθυμοτέρους τοὺς ἀναγινώσκοντας ἀπεργάσασθαι· καὶ γὰρ τὸν σκοπὸν ζητοῦσιν, ἐπειδὴ ὁ σκοπὸς ἐν συντόμῳ περιέχει πάντα τὰ ἐν τῷ λόγῳ λεγόμενα καὶ ἕξιν τινὰ ἐν τῷ…","divisions":[{"label":"ΠΡΟΛΕΓΟΜΕΝΑ ΣΥΝ ΘΕΩΙ ΤΗΣ ΠΟΡΦΥΡΙΟΥ ΕΙΣΑΓΩΓΗΣ ΑΠΟ 161v ΦΩΝΗΣ ΔΑΒΙΔ ΤΟΥ ΘΕΟΦΙΛΕΣΤΑΤΟΥ ΚΑΙ ΘΕΟΦΡΟΝΟΣ ΦΙΛΟΣΟΦΥ.","url":"https://thegreeklibrary.org/works/tlg4021.tlg002.local001/#tlg4021-tlg002-local001-1"},{"label":"ΣΧΟΛΙΑ lYN ΘΕΩΙ ΕΙΣ THN ΕΙΣΑΓΩΓΗΝ ΠΟΡΦΥΡΙΟΥ 167v ΑΠΟ ΦGΝΗΣ ΔΑΒIΔ ΤΟΥ ΘΕΟΦΙΛΕΣΤΑΤΟΥ ΚΑΙ ΘΕΟΦΡΟΝΟΣ ΦΙΛΟΣΟΦΟΥ.","url":"https://thegreeklibrary.org/works/tlg4021.tlg002.local001/#tlg4021-tlg002-local001-3"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg4021.tlg002.local001/","json":"https://thegreeklibrary.org/api/works/tlg4021.tlg002.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg4021/tlg002/local001.json.gz"}}