310 26-27 Theaetetus 2-3 - Ancient Philosophy at UBC

PHILOSOPHY OF PLATO | CLASS 26-27: NOV 5, 2014
THEAETETUS CONT’D
DR. MICHAEL GRIFFIN
CLASSICS & PHILOSOPHY
S O C R AT E S . A R T S . U B C . C A / 3 1 0
Plato on Knowledge: Theatetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
1 The Definition of Knowledge as Perception: 151d-e
2 The “Cold Wind” Argument; and the Theory of Flux: 152a-160e
3 The Refutation of the Thesis Knowledge is Perception: 160e5-186e12
4 The Digression: 172c1-177b7
5 Last Objection to Protagoras: 177c6-179b5
— Predictive power of expertise
6 Last Objection to Heracleitus: 179c1-183c2
— Subtle point: even perception entails some continuity or stability
7 The Final Refutation of D1: 183c4-187a8
— Some common objects of definite knowledge are imperceptible
and solely objects of judgement e.g. “is”. (Two ways of considering this:
“knowledgeable” in “I am knowledgeable” seems non-perceptual; and
the propositional nature of the statement itself seems non-perceptual.)
Second Definition (D2): “Knowledge is True Judgement”: 187b-201c
1 The Puzzle of Misidentification: 187e5-188c8
2 Second Puzzle About False Belief: “Believing What is Not”: 188c10-189b9
3 Third Puzzle About False Belief: Allodoxia: 189b10-190e4
4 Fourth Puzzle About False Belief: the Wax Tablet: 190e5-196c5
5 Fifth Puzzle About False Belief: the Aviary: 196d1-200d4
6 The Final Refutation of D2: 200d5-201c7
Plato on Knowledge: Theatetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
1 The Definition of Knowledge as Perception: 151d-e
2 The “Cold Wind” Argument; and the Theory of Flux: 152a-160e
3 The Refutation of the Thesis Knowledge is Perception: 160e5-186e12
4 The Digression: 172c1-177b7
5 Last Objection to Protagoras: 177c6-179b5
6 Last Objection to Heracleitus: 179c1-183c2
7 The Final Refutation of D1: 183c4-187a8
Second Definition (D2): “Knowledge is True Judgement”: 187b-201c
1 The Puzzle of Misidentification: 187e5-188c8
2 Second Puzzle About False Belief: “Believing What is Not”: 188c10-189b9
3 Third Puzzle About False Belief: Allodoxia: 189b10-190e4
4 Fourth Puzzle About False Belief: the Wax Tablet: 190e5-196c5
5 Fifth Puzzle About False Belief: the Aviary: 196d1-200d4
6 The Final Refutation of D2: 200d5-201c7
Third Definition (D3): “Knowledge is True Judgement With an Account”:
201d-210a [up next]
Roadmap from SEP article by Tim Chappell, “Theaetetus” [plato.stanford.edu/entries/plato-theaetetus/]
Plato on Knowledge: Theatetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
Second Definition (D2): “Knowledge is True Judgement”: 187b-201c
1 The Puzzle of Misidentification: 187e5-188c8
2 Second Puzzle About False Belief: “Believing What is Not”: 188c10-189b9
3 Third Puzzle About False Belief: Allodoxia: 189b10-190e4
4 Fourth Puzzle About False Belief: the Wax Tablet: 190e5-196c5
5 Fifth Puzzle About False Belief: the Aviary: 196d1-200d4
6 The Final Refutation of D2: 200d5-201c7
Third Definition (D3): “Knowledge is True Judgement With an Account”:
201d-210a
1 The Dream of Socrates: 201d8-202d7
2 Critique of the Dream Theory: 202d8-206c2
3 Three Attempts to Understand Logos: 206c2-210a9
Roadmap from SEP article by Tim Chappell, “Theaetetus” [plato.stanford.edu/entries/plato-theaetetus/]
First Definition (D1): “Knowledge is Perception”: 151e-187a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
First Definition (D1): “Knowledge is Perception”: 151e-187a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
Second Definition (D2): “Knowledge is True Judgement”: 187b-201c
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
Second Definition (D2): “Knowledge is True Judgement”: 187b-201c
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
Third Definition (D3): “Knowledge is True Judgement with an Account”: 201d-210a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus
Third Definition (D3): “Knowledge is True Judgement with an Account”: 201d-210a
Detailed summary from M. Burnyeat, The Theaetetus of Plato (1990)
Plato on Knowledge: Theaetetus