2.00: Prelude to Socrates and Plato
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Socrates13

Socrates was a classical Greek (Athenian) philosopher credited as one of the founders of Western philosophy. He is an enigmatic figure known chiefly through the accounts of classical writers, especially the writings of his students Plato and Xenophon and the plays of his contemporary Aristophanes. Plato's dialogues are among the most comprehensive accounts of Socrates to survive from antiquity, though it is unclear the degree to which Socrates himself is "hidden behind his 'best disciple', Plato".

Through his portrayal in Plato's dialogues, Socrates has become renowned for his contribution to the field of ethics, and it is this Platonic Socrates who lends his name to the concepts of Socratic irony and the Socratic method, or elenchus. The latter remains a commonly used tool in a wide range of discussions, and is a type of pedagogy in which a series of questions is asked not only to draw individual answers, but also to encourage fundamental insight into the issue at hand. Plato's Socrates also made important and lasting contributions to the field of epistemology, and his ideologies and approach have proven a strong foundation for much Western philosophy that has followed.

Socratic problem

Nothing written by Socrates remains extant. As a result, information about him and his philosophies depends upon secondary sources. Furthermore, close comparison between the contents of these sources reveals contradictions, thus creating concerns about the possibility of knowing in-depth the real Socrates. This issue is known as the Socratic problem, or the Socratic question.

To understand Socrates and his thought, one must turn primarily to the works of Plato, whose dialogues are thought the most informative source about Socrates' life and philosophy, and also Xenophon. These writings are the Sokratikoi logoi, or Socratic dialogues, which consist of reports of conversations apparently involving Socrates.

As for discovering the real-life Socrates, the difficulty is that ancient sources are mostly philosophical or dramatic texts, apart from Xenophon. There are no straightforward histories, contemporary with Socrates, that dealt with his own time and place. A corollary of this is that sources that do mention Socrates do not necessarily claim to be historically accurate, and are often partisan. For instance, those who prosecuted and convicted Socrates have left no testament. Historians therefore face the challenge of reconciling the various evidence from the extant texts in order to attempt an accurate and consistent account of Socrates' life and work. The result of such an effort is not necessarily realistic, even if consistent.

Amid all the disagreement resulting from differences within sources, two factors emerge from all sources pertaining to Socrates. It would seem, therefore, that he was ugly, and that Socrates had a brilliant intellect.

Socrates as a figure

The character of Socrates as exhibited in Apology, Crito, Phaedo and Symposium concurs with other sources to an extent to which it seems possible to rely on the Platonic Socrates, as demonstrated in the dialogues, as a representation of the actual Socrates as he lived in history. At the same time, however, many scholars believe that in some works, Plato, being a literary artist, pushed his avowedly brightened-up version of "Socrates" far beyond anything the historical Socrates was likely to have done or said. Also, Xenophon, being an historian, is a more reliable witness to the historical Socrates. It is a matter of much debate over which Socrates it is whom Plato is describing at any given point—the historical figure, or Plato's fictionalization. As British philosopher Martin Cohen has put it, "Plato, the idealist, offers an idol, a master figure, for philosophy. A Saint, a prophet of 'the Sun-God', a teacher condemned for his teachings as a heretic."

It is also clear from other writings and historical artefacts, that Socrates was not simply a character, nor an invention, of Plato. The testimony of Xenophon and Aristotle, alongside some of Aristophanes' work (especially The Clouds), is useful in fleshing out a perception of Socrates beyond Plato's work.

Socrates as a philosopher

The problem with discerning Socrates' philosophical views stems from the perception of contradictions in statements made by the Socrates in the different dialogues of Plato. These contradictions produce doubt as to the actual philosophical doctrines of Socrates, within his milieu and as recorded by other individuals. Aristotle, in his Magna Moralia, refers to Socrates in words which make it patent that the doctrine virtue is knowledge was held by Socrates. Within the Metaphysics, he states Socrates was occupied with the search for moral virtues, being the ' first to search for universal definitions for them '.

The problem of understanding Socrates as a philosopher is shown in the following: In Xenophon's Symposium, Socrates is reported as saying he devotes himself only to what he regards as the most important art or occupation, that of discussing philosophy. However, in The Clouds, Aristophanes portrays Socrates as accepting payment for teaching and running a sophist school with Chaerephon. Also, in Plato's Apology and Symposium, as well as in Xenophon's accounts, Socrates explicitly denies accepting payment for teaching. More specifically, in the Apology, Socrates cites his poverty as proof that he is not a teacher.

Two fragments are extant of the writings by Timon of Phlius pertaining to Socrates, although Timon is known to have written to ridicule and lampoon philosophy.

Biography

Details about the life of Socrates can be derived from three contemporary sources: the dialogues of Plato and Xenophon (both devotees of Socrates), and the plays of Aristophanes. He has been depicted by some scholars, including Eric Havelock and Walter Ong, as a champion of oral modes of communication, standing against the haphazard diffusion of writing.

In Aristophanes' play The Clouds, Socrates is made into a clown of sorts, particularly inclined toward sophistry, who teaches his students how to bamboozle their way out of debt. However, since most of Aristophanes' works function as parodies, it is presumed that his characterization in this play was also not literal.

Early life

Socrates was born in Alopeke, and belonged to the tribe Antiochis. His father was Sophroniscus, a sculptor, or stonemason. His mother was a midwife named Phaenarete. Socrates married Xanthippe, who is especially remembered for having an undesirable temperament. She bore for him three sons, Lamprocles, Sophroniscus and Menexenus.

Socrates first worked as a stonemason, and there was a tradition in antiquity, not credited by modern scholarship, that Socrates crafted the statues of the Three Graces, which stood near the Acropolis until the 2nd century AD.

Xenophon reports that because youths were not allowed to enter the Agora, they used to gather in workshops surrounding it. Socrates frequented these shops in order to converse with the merchants. Most notable among them was Simon the Shoemaker.

Legacy

Immediate influence

Immediately, the students of Socrates set to work both on exercising their perceptions of his teachings in politics and also on developing many new philosophical schools of thought. Some of Athens' controversial and anti-democratic tyrants were contemporary or posthumous students of Socrates including Alcibiades and Critias. Critias' cousin Plato would go on to found the Academy in 385 BC, which gained so much renown that "Academy" became the standard word for educational institutions in later European languages such as English, French, and Italian. Plato's protege, another important figure of the Classical era, Aristotle went on to tutor Alexander the Great and also to found his own school in 335 BC—the Lyceum—whose name also now means an educational institution.

While "Socrates dealt with moral matters and took no notice at all of nature in general", in his Dialogues, Plato would emphasize mathematics with metaphysical overtones mirroring that of Pythagoras – the former who would dominate Western thought well into the Renaissance. Aristotle himself was as much of a philosopher as he was a scientist with extensive work in the fields of biology and physics.

Socratic thought which challenged conventions, especially in stressing a simplistic way of living, became divorced from Plato's more detached and philosophical pursuits. This idea was inherited by one of Socrates' older students, Antisthenes, who became the originator of another philosophy in the years after Socrates' death: Cynicism.

The idea of asceticism being hand in hand with an ethical life or one with piety, ignored by Plato and Aristotle and somewhat dealt with by the Cynics, formed the core of another philosophy in 281 BC—Stoicism when Zeno of Citium would discover Socrates' works and then learn from Crates, a Cynic philosopher.

Later historical influence

While some of the later contributions of Socrates to Hellenistic Era culture and philosophy as well as the Roman Era have been lost to time, his teachings began a resurgence in both medieval Europe and the Islamic Middle East alongside those of Aristotle and Stoicism. Socrates is mentioned in the dialogue Kuzari by Jewish philosopher and rabbi Yehuda Halevi in which a Jew instructs the Khazar king about Judaism. Al-Kindi, a well-known Arabic philosopher, introduced and tried to reconcile Socrates and Hellenistic philosophy to an Islamic audience, referring to him by the name 'Suqrat'.

Socrates' stature in Western philosophy returned in full force with the Renaissance and the Age of Reason in Europe when political theory began to resurface under those like Locke and Hobbes. Voltaire even went so far as to write a satirical play about the Trial of Socrates. There were a number of paintings about his life including Socrates Tears Alcibiades from the Embrace of Sensual Pleasure by Jean-Baptiste Regnault and The Death of Socrates by Jacques-Louis David in the later 18th century.

To this day, the Socratic Method is still used in classroom and law school discourse to expose underlying issues in both subject and the speaker. He has been recognized with accolades ranging from frequent mentions in pop culture (such as the movie Bill & Ted's Excellent Adventure and a Greek rock band called Socrates Drank the Conium) to numerous busts in academic institutions in recognition of his contribution to education.

Over the past century, numerous plays about Socrates have also focused on Socrates' life and influence. One of the most recent has been Socrates on Trial, a play based on Aristophanes' Clouds and Plato's Apology, Crito, and Phaedo, all adapted for modern performance.

Criticism

Evaluation of and reaction to Socrates has been undertaken by both historians and philosophers from the time of his death to the present day with a multitude of conclusions and perspectives. Although he was not directly prosecuted for his connection to Critias, leader of the Spartan-backed Thirty Tyrants, and "showed considerable personal courage in refusing to submit to [them]", he was seen by some as a figure who mentored oligarchs who became abusive tyrants, and undermined Athenian democracy. The Sophistic movement that he railed at in life survived him, but by the 3rd century BC, was rapidly overtaken by the many philosophical schools of thought that Socrates influenced.

Socrates' death is considered iconic and his status as a martyr of philosophy overshadows most contemporary and posthumous criticism. However, Xenophon mentions Socrates' "arrogance" and that he was "an expert in the art of pimping" or "self-presentation". Direct criticism of Socrates the man almost disappears after this time, but there is a noticeable preference for Plato or Aristotle over the elements of Socratic philosophy distinct from those of his students, even into the Middle Ages.

Some modern scholarship holds that, with so much of his own thought obscured and possibly altered by Plato, it is impossible to gain a clear picture of Socrates amid all the contradictory evidence. That both Cynicism and Stoicism, which carried heavy influence from Socratic thought, were unlike or even contrary to Platonism further illustrates this. The ambiguity and lack of reliability serves as the modern basis of criticism—that it is nearly impossible to know the real Socrates. Some controversy also exists about Socrates' attitude towards homosexuality and as to whether or not he believed in the Olympian gods, was monotheistic, or held some other religious viewpoint. However, it is still commonly taught and held with little exception that Socrates is the progenitor of subsequent Western philosophy, to the point that philosophers before him are referred to as pre-Socratic.

Plato14

Plato (/ˈpleɪtoʊ/; Greek: Πλάτων Plátōn, pronounced [plá.tɔːn] in Classical Attic; 428/427 or 424/423 – 348/347 BCE) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world. He is widely considered the most pivotal figure in the development of philosophy, especially the Western tradition. Unlike nearly all of his philosophical contemporaries, Plato's entire œuvre is believed to have survived intact for over 2,400 years.

Along with his teacher, Socrates, and his most famous student, Aristotle, Plato laid the very foundations of Western philosophy and science. Alfred North Whitehead once noted: "the safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato." In addition to being a foundational figure for Western science, philosophy, and mathematics, Plato has also often been cited as one of the founders of Western religion and spirituality. Friedrich Nietzsche, amongst other scholars, called Christianity, "Platonism for the people." Plato's influence on Christian thought is often thought to be mediated by his major influence on Saint Augustine of Hippo, one of the most important philosophers and theologians in the history of Christianity.

Plato was the innovator of the written dialogue and dialectic forms in philosophy, which originate with him. Plato appears to have been the founder of Western political philosophy, with his Republic, and Laws among other dialogues, providing some of the earliest extant treatments of political questions from a philosophical perspective. Plato's own most decisive philosophical influences are usually thought to have been Socrates, Parmenides, Heraclitus and Pythagoras, although few of his predecessors' works remain extant and much of what we know about these figures today derives from Plato himself.

The Stanford Encyclopedia of Philosophy describes Plato as "...one of the most dazzling writers in the Western literary tradition and one of the most penetrating, wide-ranging, and influential authors in the history of philosophy. ... He was not the first thinker or writer to whom the word “philosopher” should be applied. But he was so self-conscious about how philosophy should be conceived, and what its scope and ambitions properly are, and he so transformed the intellectual currents with which he grappled, that the subject of philosophy, as it is often conceived—a rigorous and systematic examination of ethical, political, metaphysical, and epistemological issues, armed with a distinctive method—can be called his invention. Few other authors in the history of Western philosophy approximate him in depth and range: perhaps only Aristotle (who studied with him), Aquinas and Kant would be generally agreed to be of the same rank."

Biography

Early life

Due to a lack of surviving accounts, little is known about Plato's early life and education. The philosopher came from one of the wealthiest and most politically active families in Athens. Ancient sources describe him as a bright though modest boy who excelled in his studies. His father contributed all which was necessary to give to his son a good education, and, therefore, Plato must have been instructed in grammar, music, gymnastics and philosophy by some of the most distinguished teachers of his era.

Birth and family

The exact time and place of Plato's birth are unknown, but it is certain that he belonged to an aristocratic and influential family. Based on ancient sources, most modern scholars believe that he was born in Athens or Aegina between 429 and 423 BCE. His father was Ariston. According to a disputed tradition, reported by Diogenes Laertius, Ariston traced his descent from the king of Athens, Codrus, and the king of Messenia, Melanthus. Plato's mother was Perictione, whose family boasted of a relationship with the famous Athenian lawmaker and lyric poet Solon. Perictione was sister of Charmides and niece of Critias, both prominent figures of the Thirty Tyrants, the brief oligarchic regime, which followed on the collapse of Athens at the end of the Peloponnesian War (404–403 BCE). Besides Plato himself, Ariston and Perictione had three other children; these were two sons, Adeimantus and Glaucon, and a daughter Potone, the mother of Speusippus (the nephew and successor of Plato as head of his philosophical Academy). The brothers Adeimantus and Glaucon are mentioned in the Republic as sons of Ariston, and presumably brothers of Plato, but some have argued they were uncles. But in a scenario in the Memorabilia, Xenophon confused the issue by presenting a Glaucon much younger than Plato.

The traditional date of Plato's birth (428/427) is based on a dubious interpretation of Diogenes Laertius, who says, "When [Socrates] was gone, [Plato] joined Cratylus the Heracleitean and Hermogenes, who philosophized in the manner of Parmenides. Then, at twenty-eight, Hermodorus says, [Plato] went to Euclides in Megara." As Debra Nails argues, "The text itself gives no reason to infer that Plato left immediately for Megara and implies the very opposite." In his Seventh Letter, Plato notes that his coming of age coincided with the taking of power by the Thirty, remarking, "But a youth under the age of twenty made himself a laughingstock if he attempted to enter the political arena." Thus, Nails dates Plato's birth to 424/423.

According to some accounts, Ariston tried to force his attentions on Perictione, but failed in his purpose; then the god Apollo appeared to him in a vision, and as a result, Ariston left Perictione unmolested. Another legend related that, when Plato was an infant, bees settled on his lips while he was sleeping: an augury of the sweetness of style in which he would discourse about philosophy.

Ariston appears to have died in Plato's childhood, although the precise dating of his death is difficult. Perictione then married Pyrilampes, her mother's brother, who had served many times as an ambassador to the Persian court and was a friend of Pericles, the leader of the democratic faction in Athens. Pyrilampes had a son from a previous marriage, Demus, who was famous for his beauty. Perictione gave birth to Pyrilampes' second son, Antiphon, the half-brother of Plato, who appears in Parmenides.

In contrast to reticence about himself, Plato often introduced his distinguished relatives into his dialogues, or referred to them with some precision: Charmides has a dialogue named after him; Critias speaks in both Charmides and Protagoras; and Adeimantus and Glaucon take prominent parts in the Republic. These and other references suggest a considerable amount of family pride and enable us to reconstruct Plato's family tree. According to Burnet, "the opening scene of the Charmides is a glorification of the whole [family] connection ... Plato's dialogues are not only a memorial to Socrates, but also the happier days of his own family."

Name

According to Diogenes Laërtius, the philosopher was named Aristocles (Ἀριστοκλῆς) after his grandfather. It was common in Athenian society for boys to be named after grandfathers (or fathers). But there is only one inscriptional record of an Aristocles, an early Archon of Athens in 605/4 BCE. There is no record of a line from Aristocles to Plato's father, Ariston. However, if Plato was not named after an ancestor named Plato (there is no record of one), then the origin of his renaming as Plato becomes a conundrum.

The sources of Diogenes account for this fact by claiming that his wrestling coach, Ariston of Argos, dubbed him Platon, meaning "broad," on account of his robust figure or that Plato derived his name from the breadth (πλατύτης, platytēs) of his eloquence, or else because he was very wide (πλατύς, platýs) across the forehead. Recently a scholar has argued that even the name Aristocles for Plato was a much later invention. Although Platon was a fairly common name (31 instances are known from Athens alone), the name does not occur in Plato's known family line. Another scholar, however, claims that "there is good reason for not dismissing [the idea that Aristocles was Plato's given name] as a mere invention of his biographers", noting how prevalent that account is in our sources. The fact that the philosopher in his maturity called himself Platon is indisputable, but the origin of this naming must remain moot unless the record is made to yield more information.

Education

Apuleius informs us that Speusippus praised Plato's quickness of mind and modesty as a boy, and the "first fruits of his youth infused with hard work and love of study". Plato must have been instructed in grammar, music, and gymnastics by the most distinguished teachers of his time. Dicaearchus went so far as to say that Plato wrestled at the Isthmian games. Plato had also attended courses of philosophy; before meeting Socrates, he first became acquainted with Cratylus (a disciple of Heraclitus, a prominent pre-Socratic Greek philosopher) and the Heraclitean doctrines. W. A. Borody argues that an Athenian openness towards a wider range of sexuality may have contributed to the Athenian philosophers' openness towards a wider range of thought, a cultural situation Borody describes as "polymorphously discursive."

Later life

Plato may have traveled in Italy, Sicily, Egypt and Cyrene. Said to have returned to Athens at the age of forty, Plato founded one of the earliest known organized schools in Western Civilization on a plot of land in the Grove of Hecademus or Academus. The Academy was a large enclosure of ground about six stadia outside of Athens proper. One story is that the name of the Academy comes from the ancient hero, Academus. Another story is that the name came from a supposed a former owner, a citizen of Athens also named Academus. Yet another account is that it was named after a member of the army of Castor and Pollux, an Arcadian named Echedemus. The Academy operated until it was destroyed by Lucius Cornelius Sulla in 84 BCE. Neoplatonists revived the Academy in the early 5th century, and it operated until CE 529, when it was closed by Justinian I of Byzantium, who saw it as a threat to the propagation of Christianity. Many intellectuals were schooled in the Academy, the most prominent one being Aristotle.

Throughout his later life, Plato became entangled with the politics of the city of Syracuse. According to Diogenes Laertius, Plato initially visited Syracuse while it was under the rule of Dionysius. During this first trip Dionysius's brother-in-law, Dion of Syracuse, became one of Plato's disciples, but the tyrant himself turned against Plato. Plato almost faced death, but he was sold into slavery. Then Anniceris bought Plato's freedom for twenty minas, and sent him home. After Dionysius's death, according to Plato's Seventh Letter, Dion requested Plato return to Syracuse to tutor Dionysius II and guide him to become a philosopher king. Dionysius II seemed to accept Plato's teachings, but he became suspicious of Dion, his uncle. Dionysius expelled Dion and kept Plato against his will. Eventually Plato left Syracuse. Dion would return to overthrow Dionysius and ruled Syracuse for a short time before being usurped by Calippus, a fellow disciple of Plato.

Death

A variety of sources have given accounts of Plato's death. One story, based on a mutilated manuscript, suggests Plato died in his bed, whilst a young Thracian girl played the flute to him. Another tradition suggests Plato died at a wedding feast. The account is based on Diogenes Laertius's reference to an account by Hermippus, a third-century Alexandrian. According to Tertullian, Plato simply died in his sleep.

Intellectual influences on Plato

Plato and Pythagoras

Although Socrates influenced Plato directly as related in the dialogues, the influence of Pythagoras upon Plato also appears to have significant discussion in the philosophical literature. Pythagoras, or in a broader sense, the Pythagoreans, allegedly exercised an important influence on the work of Plato. According to R. M. Hare, this influence consists of three points: (1) The platonic Republic might be related to the idea of "a tightly organized community of like-minded thinkers", like the one established by Pythagoras in Croton. (2) There is evidence that Plato possibly took from Pythagoras the idea that mathematics and, generally speaking, abstract thinking is a secure basis for philosophical thinking as well as "for substantial theses in science and morals". (3) Plato and Pythagoras shared a "mystical approach to the soul and its place in the material world". It is probable that both were influenced by Orphism.

Aristotle claimed that the philosophy of Plato closely followed the teachings of the Pythagoreans, and Cicero repeats this claim: "They say Plato learned all things Pythagorean" (Platonem ferunt didicisse Pythagorea omnia).

Plato and Socrates

The precise relationship between Plato and Socrates remains an area of contention among scholars. Plato makes it clear in his Apology of Socrates, that he was a devoted young follower of Socrates. In that dialogue, Socrates is presented as mentioning Plato by name as one of those youths close enough to him to have been corrupted, if he were in fact guilty of corrupting the youth, and questioning why their fathers and brothers did not step forward to testify against him if he was indeed guilty of such a crime (33d-34a). Later, Plato is mentioned along with Crito, Critobolus, and Apollodorus as offering to pay a fine of 30 minas on Socrates' behalf, in lieu of the death penalty proposed by Meletus (38b). In the Phaedo, the title character lists those who were in attendance at the prison on Socrates' last day, explaining Plato's absence by saying, "Plato was ill." (Phaedo 59b)

Plato never speaks in his own voice in his dialogues. In the Second Letter, it says, "no writing of Plato exists or ever will exist, but those now said to be his are those of a Socrates become beautiful and new" (341c); if the Letter is Plato's, the final qualification seems to call into question the dialogues' historical fidelity. In any case, Xenophon and Aristophanes seem to present a somewhat different portrait of Socrates from the one Plato paints. Some have called attention to the problem of taking Plato's Socrates to be his mouthpiece, given Socrates' reputation for irony and the dramatic nature of the dialogue form.

Aristotle attributes a different doctrine with respect to Forms to Plato and Socrates (Metaphysics 987b1–11). Putting it in a nutshell, Aristotle merely suggests that Socrates' idea of forms can be discovered through investigation of the natural world, unlike Plato's Forms that exist beyond and outside the ordinary range of human understanding.

Dialogues

Thirty-five dialogues and thirteen letters (the Epistles) have traditionally been ascribed to Plato, though modern scholarship doubts the authenticity of at least some of these. Plato's writings have been published in several fashions; this has led to several conventions regarding the naming and referencing of Plato's texts.

The usual system for making unique references to sections of the text by Plato derives from a 16th-century edition of Plato's works by Henricus Stephanus. An overview of Plato's writings according to this system can be found in the Stephanus pagination article.

One tradition regarding the arrangement of Plato's texts is according to tetralogies. This scheme is ascribed by Diogenes Laertius to an ancient scholar and court astrologer to Tiberius named Thrasyllus.

The works are usually grouped into Early (sometimes by some into Transitional), Middle, and Late period. This choice to group chronologically is thought worthy of criticism by some (Cooper et al), given that it's recognised that there is no absolute agreement as to the true chronologicity, since the facts of the temporal order of writing are not confidently ascertained.

Early: Apology (of Socrates), Charmides, Crito, Euthyphro, Gorgias, (Lesser) Hippias (minor), (Greater) Hippias (major), Ion, Laches, Lysis, Protagoras

Middle/Transitional: Cratylus, Euthydemus, Meno, Parmenides, Phaedo, Phaedrus, Republic, Symposium,

Middle/Late: Theaetetus

Late: Critias, Sophist, Statesman / Politicus, Timaeus , Philebus, Laws

Chronologicity was not a consideration in ancient times, in that grouping of this nature are virtually absent (Tarrant) in the extant writings of ancient Platonists.

Writings of doubted authenticity

Jowett mentions in his Appendix to Menexenus, that works which bore the character of a writer were attributed to that writer even when the actual author was unknown.

For below:

(*) if there is no consensus among scholars as to whether Plato is the author, and (‡) if most scholars agree that Plato is not the author of the work.

First Alcibiades (*), Second Alcibiades (‡), Clitophon (*), Epinomis (‡), Epistles (*), Hipparchus (‡), Menexenus(*), Minos (‡) (Rival) Lovers (‡), Theages (‡)

Spurious writings

The following works were transmitted under Plato's name, most of them already considered spurious in antiquity, and so were not included by Thrasyllus in his tetralogical arrangement. These works are labelled as Notheuomenoi ("spurious") or Apocrypha.

Axiochus, Definitions, Demodocus, Epigrams, Eryxias, Halcyon, On Justice, On Virtue, Sisyphus.

Composition of the dialogues

No one knows the exact order Plato's dialogues were written in, nor the extent to which some might have been later revised and rewritten. A significant distinction of the early Plato and the later Plato has been offered by scholars such as E.R. Dodds and has been summarized by Harold Bloom in his book titled Agon: "E.R. Dodds is the classical scholar whose writings most illuminated the Hellenic descent (in) The Greeks and the Irrational [...] In his chapter on Plato and the Irrational Soul [...] Dodds traces Plato's spiritual evolution from the pure rationalist of the Protagoras to the transcendental psychologist, influenced by the Pythagoreans and Orphics, of the later works culminating in the Laws."

Lewis Campbell was the first to make exhaustive use of stylometry to prove objectively that the Critias, Timaeus, Laws, Philebus, Sophist, and Statesman were all clustered together as a group, while the Parmenides, Phaedrus, Republic, and Theaetetus belong to a separate group, which must be earlier (given Aristotle's statement in his Politics that the Laws was written after the Republic; cf. Diogenes Laertius Lives 3.37). What is remarkable about Campbell's conclusions is that, in spite of all the stylometric studies that have been conducted since his time, perhaps the only chronological fact about Plato's works that can now be said to be proven by stylometry is the fact that Critias, Timaeus, Laws, Philebus, Sophist, and Statesman are the latest of Plato's dialogues, the others earlier.

Increasingly in the most recent Plato scholarship, writers are skeptical of the notion that the order of Plato's writings can be established with any precision, though Plato's works are still often characterized as falling at least roughly into three groups. The following represents one relatively common such division. It should, however, be kept in mind that many of the positions in the ordering are still highly disputed, and also that the very notion that Plato's dialogues can or should be "ordered" is by no means universally accepted.

Among those who classify the dialogues into periods of composition, Socrates figures in all of the "early dialogues" and they are considered the most faithful representations of the historical Socrates. They include The Apology of Socrates, Charmides, Crito, Euthyphro, Ion, Laches, Lesser Hippias, Lysis, Menexenus, and Protagoras (often considered one of the last of the "early dialogues"). Three dialogues are often considered "transitional" or "pre-middle": Euthydemus, Gorgias, and Meno.

Whereas those classified as "early dialogues" often conclude in aporia, the so-called "middle dialogues" provide more clearly stated positive teachings that are often ascribed to Plato such as the theory of Forms. These dialogues include Cratylus, Phaedo, Phaedrus, Republic, Symposium, Parmenides, and Theaetetus. Proponents of dividing the dialogues into periods often consider the Parmenides and Theaetetus to come late in this period and be transitional to the next, as they seem to treat the theory of Forms critically (Parmenides) or only indirectly (Theaetetus). Ritter's stylometric analysis places Phaedrus as probably after Theaetetus and Parmenides, although it does not relate to the theory of Forms in the same way. The first book of the Republic is often thought to have been written significantly earlier than the rest of the work, although possibly having undergone revisions when the later books were attached to it.

The remaining dialogues are classified as "late" and are generally agreed to be difficult and challenging pieces of philosophy. This grouping is the only one proven by stylometric analysis. While looked to for Plato's "mature" answers to the questions posed by his earlier works, those answers are difficult to discern. Some scholars indicate that the theory of Forms is absent from the late dialogues, its having been refuted in the Parmenides, but there isn't total consensus that the Parmenides actually refutes the theory of Forms. The so-called "late dialogues" include Critias, Laws, Philebus, Sophist, Statesman, and Timaeus.