On Non-Being / On Nature
{"WorkMasterId":5890,"WpPageId":275732,"ParentWpPageId":193705,"Slug":"on-non-being-on-nature","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gorgias-of-leontini/on-non-being-on-nature/","RelativeUrl":"theos/humanities/philosophy/philosophers/gorgias-of-leontini/on-non-being-on-nature/","HasFullText":false,"RawHtmlLength":69159,"CleanHtmlLength":15905,"Kicker":"Philosophy Work","Title":"On Non-Being / On Nature","Deck":"The lost treatise argues through paradox that being, knowing, and communicating reality can each be denied or destabilized.","BackLink":{"Text":"Back to Gorgias of Leontini","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gorgias-of-leontini/"},"AuthorCard":{"Label":"Author","Title":"Gorgias of Leontini","Url":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gorgias-of-leontini/","MediaHref":"","ImageSrc":"https://chrisdeasy.com/wp-content/uploads/gorgias-of-leontini-01-pro-loco-lentini-bust.jpg","ImageAlt":"Pro Loco Lentini Gorgias bust","FilterTerra":"Eastern Mediterranean","ClickText":"Gorgias of Leontini","ClickHref":"https://chrisdeasy.com/theos/humanities/philosophy/philosophers/gorgias-of-leontini/","Copies":["483 BCE – 375 BCE","Leontini (Sicily)","Siceliote Greek sophist and rhetorician from Leontini whose paradoxes about being, knowledge, and communication, and whose display speeches on Helen and Palamedes, made logos, persuasion, belief, and civic speech central problems for philosophy."]},"ContextCards":[{"Label":"Period","Key":"Period:1","Title":"Ancient History","DateText":"3000 BCE – 499 CE","Url":"https://chrisdeasy.com/theos/humanities/philosophy/eras-of-thought/philosophers-of-ancient-history/"},{"Label":"Era","Key":"Era:3","Title":"Classical Antiquity","DateText":"500 BCE – 499 CE","Url":"https://chrisdeasy.com/theos/humanities/philosophy/eras-of-thought/philosophers-of-ancient-history/philosophers-of-classical-antiquity/"},{"Label":"Composition","Title":"440 BCE","Url":"","DateText":""}],"DateNote":"Lost work preserved through Sextus Empiricus and pseudo-Aristotelian summary; proxy ordering date c. 440 BCE; no complete original text survives.","GeoCards":[{"Label":"Region","Key":"Region:1"},{"Label":"Terra Avita","Key":"TerraAvita:2"},{"Label":"Terra Avita Region","Key":"TerraAvitaRegion:6"},{"Label":"Modern Country","Key":"Country:ITA:2"}],"OriginalTitle":"Περὶ τοῦ μὴ ὄντος ἢ Περὶ φύσεως","Language":"Ancient Greek","DisciplineCards":[{"Label":"Primary Discipline","Key":"Discipline:metaphysics"},{"Label":"Secondary Discipline","Key":"Discipline:epistemology"}],"Tradition":"Sophistic rhetoric / classical Greek philosophy","FullText":null,"CoreThesis":["The lost treatise argues through paradox that being, knowing, and communicating reality can each be denied or destabilized."],"Classification":{"AlternateTitles":"On Nature or the Non-Existent; On Not-Being; On Non-Existence","KeyConcepts":"Gorgias; Leontini; sophists; logos; rhetoric; persuasion; doxa; apate; kairos; non-being; unknowability; communicability; Helen; Palamedes; epideictic oratory; funeral oration; display speech; Sicilian rhetoric; Eleatic argument; Plato reception","Methodology":"Sophistic display argument, paradox, epideictic praise and defense, rhetorical reversal, probability, style, antithesis, and analysis of how speech shapes belief and action.","Structure":"The page records an approved Gorgias work or transmitted title with visible lost, fragmentary, quoted, rhetorical-display, or ancient-testimony status notes."},"Arguments":["The lost treatise argues through paradox that being, knowing, and communicating reality can each be denied or destabilized."],"Influence":{"InfluencedBy":"Empedocles, Sicilian rhetoric, Corax and Tisias traditions, Eleatic argument, Parmenides and Zeno, and fifth-century sophistic teaching.","InfluenceOn":""},"Significance":["Included as one of the direct or ancient-testimony Gorgias work pages approved for the full-process update.","The work remains important for rhetoric, speech ethics, epistemic skepticism, political persuasion, literary style, philosophy of language, and the relation between belief and public argument."],"EvidenceNote":["Direct or ascribed Gorgias work page approved in the Gorgias of Leontini update. 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