Cover -- Half Title -- Series Information -- Title Page -- Copyright Page -- Table of Contents -- Acknowledgements -- Introduction -- Notes -- Bibliography -- 1 The First Thesis of the Treatise: Gorgias On What There Is -- The 'Particular Proof': General Remarks -- The Verb 'To Be' and the 'Ontological Commitment' -- What-is-not and the 'Einai of Whatness' -- Any 'It Is' Entails an 'It Is Not' -- The 'Particular Proof': Concluding Remarks -- Notes -- Bibliography -- 2 The Second Thesis of the Treatise: Gorgias On Epistemology and Scepticism -- 'Chariots Running On the Sea': Gorgias On (Not) Thinking of What-Is-Not -- Gorgias and Parmenides On Thinking and Knowing -- Sextus's Version -- Anonymous's Epistemic Argument: Gorgias On Perceiving and Hallucinating -- Concluding Remarks -- Notes -- Bibliography -- 3 The Apology of Palamedes: Gorgias On Foundationalism, Eyewitnessing and True Speech -- The Palamedes: General Remarks -- On the Jurors' Point of View -- Pal. 5 and 24 On Knowledge and Opinion as an Either/or Matter -- Pal. 22 and 15, the Palamedes's Epistemological Core: Gorgias's Foundationalism -- True Speech Is Experience-Dependent -- One Last Objection -- Appendix -- Notes -- Bibliography -- 4 The Encomium of Helen: The Epistemology of Persuasion -- 'Logos Is a Powerful-Not-Truth-Evaluable Master' -- Hel. 11: Gorgias On Ineffability, Coherentism and Scepticism -- Hel. 13: Gorgias's Account of Opinion -- Gorgias On Truth and Likelihood -- What Is the Meaning of the Helen? -- Notes -- Bibliography -- 5 The Third Thesis of the Treatise: The Epistemic Root of Gorgias's Philosophy of Language -- Opening Lines -- The Categorial Argument: the Knowledge-language Gap -- Conceptual Vs. Non-Conceptual Content -- The Inter-Subjective and the Intra-Subjective Arguments -- Objection 1: Gorgias Is Not Speaking of Meanings After All.4207 Cover -- Half Title -- Series Information -- Title Page -- Copyright Page -- Table of Contents -- Acknowledgements -- Introduction -- Notes -- Bibliography -- 1 The First Thesis of the Treatise: Gorgias On What There Is -- The 'Particular Proof': General Remarks -- The Verb 'To Be' and the 'Ontological Commitment' -- What-is-not and the 'Einai of Whatness' -- Any 'It Is' Entails an 'It Is Not' -- The 'Particular Proof': Concluding Remarks -- Notes -- Bibliography -- 2 The Second Thesis of the Treatise: Gorgias On Epistemology and Scepticism -- 'Chariots Running On the Sea': Gorgias On (Not) Thinking of What-Is-Not -- Gorgias and Parmenides On Thinking and Knowing -- Sextus's Version -- Anonymous's Epistemic Argument: Gorgias On Perceiving and Hallucinating -- Concluding Remarks -- Notes -- Bibliography -- 3 The Apology of Palamedes: Gorgias On Foundationalism, Eyewitnessing and True Speech -- The Palamedes: General Remarks -- On the Jurors' Point of View -- Pal. 5 and 24 On Knowledge and Opinion as an Either/or Matter -- Pal. 22 and 15, the Palamedes's Epistemological Core: Gorgias's Foundationalism -- True Speech Is Experience-Dependent -- One Last Objection -- Appendix -- Notes -- Bibliography -- 4 The Encomium of Helen: The Epistemology of Persuasion -- 'Logos Is a Powerful-Not-Truth-Evaluable Master' -- Hel. 11: Gorgias On Ineffability, Coherentism and Scepticism -- Hel. 13: Gorgias's Account of Opinion -- Gorgias On Truth and Likelihood -- What Is the Meaning of the Helen? -- Notes -- Bibliography -- 5 The Third Thesis of the Treatise: The Epistemic Root of Gorgias's Philosophy of Language -- Opening Lines -- The Categorial Argument: the Knowledge-language Gap -- Conceptual Vs. Non-Conceptual Content -- The Inter-Subjective and the Intra-Subjective Arguments -- Objection 1: Gorgias Is Not Speaking of Meanings After All.!