{"schemaVersion":2,"id":"tlg0552.tlg001.local001","url":"https://thegreeklibrary.org/works/tlg0552.tlg001.local001/","urn":"urn:cts:greekLit:tlg0552.tlg001.local001","title":"De sphaera et cylindro","titleGreek":null,"alternateTitles":[],"author":"Archimède","authorityName":"ARCHIMEDES Geom.","authorUrl":"https://thegreeklibrary.org/authors/tlg0552-archimedes-geom/","authorityUrl":"https://thegreeklibrary.org/authors/tlg0552-archimedes-geom/","editors":["Charles Mugler"],"publication":{"digitalPublisher":"Harvard College Library","sourceTitle":"Archimède","edition":null,"publisher":"Belles Lettres","place":"Paris","date":"1970","volume":"1","series":null,"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":"Harvard College Library","sponsors":[],"funders":["Harvard Library"],"principal":"Gregory Crane","responsibilities":[{"role":"Corrected and encoded the text","names":[]},{"role":"Editor-in-Chief, Perseus Digital Library","names":[]},{"role":"Project Manager (University of Leipzig)","names":[]},{"role":"Project Assistant (University of Leipzig) 2015 - 2017","names":[]},{"role":"Lead Developer (University of Leipzig) 2015 - 2017","names":[]},{"role":"Technical Advisor (Mount Allison University)","names":[]}]},"corpus":{"version":"2.2.0","date":"2026-08-29"},"revisionDate":"2026-08-15","sourceUrl":"http://digital.slub-dresden.de/werkansicht/dlf/106432/1/0/","sourceLinkType":null,"sourceRights":null,"citation":"Archimède. De sphaera et cylindro. ed. Charles Mugler. Archimède, Paris, Belles Lettres, 1970. urn:cts:greekLit:tlg0552.tlg001.local001","excerpt":"Πρότερον μὲν ἀπέσταλκά σοι τῶν ὑφʼ ἡμῶν τεθεωρημένων γράψας μετὰ ἀποδείξεως, ὅτι πᾶν τμῆμα τὸ περιεχόμενον ὑπό τε εὐθείας καὶ ὀρθογωνίου κώνου τομῆς ἐπίτριτόν ἐστι τριγώνου τοῦ βάσιν τὴν αὐτὴν ἔχοντος τῷ τμήματι καὶ ὕψος ἴσον· ὕστερον δὲ ἡμῖν ὑποπεσόντων θεωρημάτων ἀξίων λόγου πεπραγματεύμεθα περὶ τὰς ἀποδείξεις αὐτῶν. Ἔστιν δὲ τάδε· πρῶτον μέν, ὅτι πάσης σφαίρας ἡ ἐπιφάνεια τετραπλασία ἐστὶν τοῦ μεγίστου κύκλου τῶν ἐν αὐτῇ· ἔπειτα δέ, ὅτι παντὸς τμήματος σφαίρας τῇ ἐπιφανείᾳ ἴσος ἐστὶ κύκλος, οὗ ἡ ἐκ τοῦ κέντρου ἴση ἐστὶ τῇ εὐθείᾳ τῇ ἀπὸ τῆς κορυφῆς τοῦ τμήματος ἀγομένῃ ἐπὶ τὴν περιφέρειαν τοῦ κύκλου, ὅς ἐστι βάσις τοῦ τμήματος· πρὸς δὲ τούτοις, ὅτι πάσης σφαίρας ὁ κύλινδρος ὁ βάσιν μὲν ἔχων ἴσην τῷ μεγίστῳ κύκλῳ τῶν ἐν τῇ σφαίρᾳ, ὕψος δὲ ἴσον τῇ διαμέτρῳ τῆς σφαίρας αὐτός τε ἡμιόλιός ἐστιν τῆς σφαίρας, καὶ ἡ ἐπιφάνεια αὐτοῦ τῆς ἐπιφανείας τῆς σφαίρας. Ταῦτα δὲ τὰ συμπτώματα τῇ φύσει…","divisions":[{"label":"ΠΕΡΙ ΣΦΑΙΡΑΣ ΚΑΙ ΚΥΛΙΝΔΡΟΥ","url":"https://thegreeklibrary.org/works/tlg0552.tlg001.local001/#tlg0552-tlg001-local001-1"},{"label":"Β","url":"https://thegreeklibrary.org/works/tlg0552.tlg001.local001/#tlg0552-tlg001-local001-2"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg0552.tlg001.local001/","json":"https://thegreeklibrary.org/api/works/tlg0552.tlg001.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg0552/tlg001/local001.json.gz"}}