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Plato 427?–347 B.C. Athens

Encyclopedia entries

Plato Oxford Companion to Philosophy
Plato Encyclopedia Britannica
Plato Columbia Encyclopedia
Plato Encarta
Plato Ency. of the Renaissance
Cambridge Platonists Oxford Companion to Philosophy
Plato and Platonism Catholic Encyclopedia (1913)
Platonic Academy Ency. of the Renaissance
Platonism Oxford Companion to Philosophy
Platonism, Renaissance Ency. of the Renaissance

 

Readings on Ethics

Alcibiades

Apology ''Socrates is a doer of evil, who corrupts the youth; and who does not believe in the gods of the state, but has other divinities of his own. Such is the charge.''

Crito

Protagoras

Euthyphro "We agree that what is holy is loved by the Gods because it is holy, and not holy because it is loved by the gods."
    

 Selections from The Republic 

(Myth of the Cave)

(The Ring of Gyges)
 

Other readings on ethics

Gorgias
Meno
Laches
Laws
Philebus

Recommended Print Editions:

The Collected Dialogues of Plato including the Letters, Edited by Edith Hamilton and Huntington Cairnes. Princeton University.

Plato, Gorgias, Robin Waterfield, translator. Oxford University
Press; ISBN: 0192836307; (August 1998) 

Plato, Five Dialogues, Euthyphro, Apology, Crito, Meno, Phaedo,
translator G.M.A. Grube. Hackett Pub Co; ISBN: 0915145227; (December 1983)

A Roman Mosaic of Plato's Academy

A Roman Mosaic of Plato's Academy


Some modern scholars divide Plato's dialogues into early, middle and late based on stylometric analysis.  The early dialogues are often taken to be more reflective of Socrates' beliefs, the latter are more purely Plato's. Some see a literary and philosophical maturing over time consonant with an "evolution" in Plato's thought. The Middle/Late dialogues are a more systematic treatment of philosophical issues of language and reality, and knowledge and explanation. 

There has never been agreement on this scheme. All of the dialogues at one time or another have been questioned as to their authenticity. Generally, those who ascribe to the "evolutionary" theory see the dialogues as proceeding in the following order

Early (All after the death of Socrates, but before Plato's first trip to Sicily in 387 B.C.E.):

Apology, Charmides, Crito, Euthydemus, Euthyphro, Gorgias, Hippias Major, Hippias Minor, Ion, Laches, Lysis, Protagoras, Republic Bk. I.

Early-Transitional (end of the early group/ beginning of the middle group, c. 387-380 B.C.E.):

Cratylus, Menexenus, Meno

Middle (c. 380-360 B.C.E.)

Phaedo, Republic Bks. II-X, Symposium

Late-Transitional (end of the middle group/ beginning of the late group, c. 360-355 B.C.E.)

Parmenides, Theaetetus, Phaedrus

Late (c. 355-347 B.C.E.; possibly in chronological order)

Sophist, Statesman, Philebus, Timaeus, Critias, Laws

However we have very little information to go on to support the "evolutionary" theory. Dialogues may have been rewritten at later times. Different literary and philosophical styles are parodied so that stylometric analysis of language in the dialogues yields, at best, mixed results.

For most of history, scholars were less concerned about the order in which the dialogues were written and more concerned about the order in which they should be read in order to facilitate learning Platonic philosophy. At some point in antiquity, it became traditional to arrange Plato's dialogues in groups of four called "tetralogies" after the grouping of Athenian theater: One comedy and three tragedies. Diogenes Lærtius explicitly relates this grouping to that of Greek tragedies and quotes his source for such grouping as attributing it to Plato himself, if not for the reported grouping, at least for the fact of writing them in tetralogies (DL III, 56). 

A theory put forth by Bernard Suzanne on the more traditional arrangements, suggests the following schema on the basis of content and meaning. 

Overview of tetralogies a i t i a (cause) epithumiai (desires)
phusis (nature)
thumos (will)
krisis (judgment)
logos (reason)
kosmos (order)
Tetralogy 1 :
what is man ?
ALCIBIADES
man
LYSIS
friendship (philo-)
LACHES
manhood (andreia)
CHARMIDES
wisdom (-sophos)
Tetralogy 2 :
The sophists
eikasia (conjecture)
 PROTAGORAS  
relativism
 
 HIPPIAS Major  
illusion of beauty
GORGIAS
illusion of justice
 HIPPIAS Minor  
illusion of science
Tetralogy 3 :
Socrates' trial
 pistis (true belief)
MENO
pragmatism
EUTHYPHRO
letter of the law
THE APOLOGY
law in action
CRITO
spirit of the law
Tetralogy 4 :
The soul 
psuche
 THE SYMPOSIUM 
the driving force:
  eros
PHÆDRUS
nature of the soul :
eros<=>logos
 THE REPUBLIC 
behaviour of the soul :
justice
PHÆDO
destiny of the soul :
being
Tetralogy 5 :
Speech (logos)
dianoia
(knowledge)
CRATYLUS
the words of speech
ION
logos of the poet
 EUTHYDEMUS  
logos of the sophist
MENEXENUS
logos of the politician
Tetralogy 6 :
Dialectic
episteme (science)
PARMENIDES
the traps of reason
THEÆTETUS
the limits of reason
THE SOPHIST
the laws of reason
 THE STATESMAN 
the goals of reason
Tetralogy 7 :
Man in the world
kosmos (order)
PHILEBUS
the good of man
 
TIMÆUS
contemplating
(theoria)
CRITIAS
deciding
(krisis)
THE LAWS
acting
(erga)

According to Platonic thought, peoples souls are divided into three parts, desire, will and reason. There are three kinds of people - those dominated by desire, by will and by reason. As in the individual, so in the state there should be three classes based on the natural types of people, with those governed by wisdom and reason at the top. As in the state, so in the universe. The path to reason follows all of the levels of being in Platonic thought - an upward direction from conjecture, to true belief, to knowledge, via dialectic to beautiful harmony - kosmos.

Suzanne suggests that the dialogues in their present form were written late in Plato's life and were conceived and written as a whole, reflecting Plato's ideas about how the world works. He suggests that we follow the more traditional plan in which the dialogues are divided into tetralogies -an introductory dialogue followed by three dialogues - based on each part of the soul. He groups each tetralogy  according to the various steps of the journey to knowledge and kosmic harmony with the soul at the center. 

Suzanne uses several lines of reasoning to bolster his thesis. He argues the carefully crafted plan of the Apology  challenges the idea that this is an early work of Plato, maybe the earliest, written as a kind of "journalistic" report on his trial in response to less faithful accounts by other writers of the time. The names of the characters in the dialogues are often symbolic of aspects of the philosophy. 

This structure is reflected in the discussion of the divided line and the myth of the cave in The Republic:

Plato's Divided Line

Faculty (within the soul) Object (out there)
KNOWLEDGE Reason (Dialectic) Higher Forms (Beauty, Justice, Truth, etc. Intelligible World
Lit by the Form of the Good
Understanding (based on assumptions) Forms of Math and Science
OPINION Perception, Belief Particular Things - Living and Artificial Visible or Sensible World
Lit by the Sun
Conjecture, Imagining Shadows, Images, Reflections, Copies

Commentaries

On Plato  from Gordon Ziniewicz's philosophy page


Euthyphro from Anderson and Freund's (Clarke College) The Last Days of Socrates (includes translator's notes)

Euthyphro from Garth Kemerling's philosophypages.com


Apology from Clarke College The Last Days of Socrates

Plato's Apology: The Conscience of a Community  from Gordon Ziniewicz 


Crito from Clarke College The Last Days of Socrates
 
[ 43a - 44 b ] [ 44c - 46a ] [ 46b - 49 a ] [ 49b- 50c ] [ 50d - 51c] [ 51d - 53a] [ 53b - 54a ]

Plato's Socrates: The Crito: Customs (Nomoi) As Parents and Adversaries from Gordon Ziniewicz 


Gorgias from archeologos.com


The Ring of Gyges and the Myth of the Cave from Bernard Suzanne's Plato and his Dialogues

Plato: Republic: Order and Justice: The Divided Line: The Cave Allegory from Gordon Ziniewicz 

 


Geographical and Historical Situation

 Democracy at the Crossroads
 Athens Chronology
 Democracy Debate Documents

one and the many