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         Theaetetus Of Athens:     more detail
  1. Theaetetus of Athens: An entry from Gale's <i>Science and Its Times</i> by Judson Knight, 2001

81. STEFAN STENUDD - Protagoras. Cosmos Of The Ancients -----------
According to some sources he was also banished for life from athens. This principle,refuted by Plato in his book theaetetus, makes it equally impossible to
http://www.stenudd.com/myth/greek/protagoras.htm
About the writer
Stefan Stenudd
Cosmos of the Ancients
The Greek Philosophers
on Myth and Cosmology
Protagoras
here most of those mentioned above may have had critical comments on how Homer and Hesiod portrayed the gods, but still insisted on their glorious existence, one way or another, or avoided exploring the issue, the sophist Protagoras (circa 481-411 BC) is said to have been driven out of Athens for doubting the very existence of the gods or, to be more precise, human ability to confirm it. His book On the gods Peritheon ) started with this statement:
As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
For this he was in the year 411 BC accused of impiety, resulting in the burning of his book. According to some sources he was also banished for life from Athens. This fate of his makes it clear that it was not without risk, in his time, to question the gods, so there is a possibility that he had refrained from denying the existence of the gods completely, out of fear of judicial consequences – if so, a futile attempt.
This is not very likely, though, since his view on truth in general was, that nothing is certain beyond the cognition of the individual mind, expressed in his famous saying: "Man is the measure of all things; of what is, that it is; of what is not, that it is not." The world is really, what it is to the person perceiving it – though only to that one. To another one, the world is another. This principle, refuted by Plato in his book

82. "Socrates: Midwife To Our Souls" By W. T. S. Thackara
a vivid yet subtle portrait of the wisest and justest and best man athens everknew So it fares with these; but there are some, theaetetus, whose minds, as I
http://www.theosociety.org/pasadena/sunrise/48-98-9/me-wtst.htm
Socrates: Midwife to Our Souls
By W. T. S. Thackara
Part I
Although philosophy often conjures a picture of dry semantics and intellectual debate, it was not so for Socrates or Plato. Their common goal was to help bring forth our innately human and divine qualities in an everyday, wonderful, and inspiring quest they called philosophy . For them philosophy was what the word literally denotes. It is about love and wisdom, and, by extension, all else that is important and meaningful in life: truth, goodness, beauty, justice, virtue, friendship, and not least of all happiness. As with many of the world's great teachers, Socrates wrote little if anything; and it is principally through Plato's Dialogues that the world knows him. Other far briefer and less well-known accounts exist, such as those of Plato's contemporary, Xenophon and, some 600 years later, of Diogenes Laertius, whose biography attempted to synthesize all known Socratic lore. There is also Aristophanes' parody in The Clouds which tells us little about Socrates, except perhaps something of his early career, before the Oracle's famous utterance which so profoundly changed his life. Plato's account, on the other hand, portrays a mentor and friend by his own admission an idealized rendering, making it difficult to determine what is uniquely Socrates' teaching and what is Plato's. But the problem is not so important, for their aim was essentially the same.

83. ATHENA: RAPHAEL, PLATO; Pierre Perroud
Plato. RAFFAELLO SANZIO, The School of athens (detail) Plato (looking like Leonardoda Vinci). Documents. PLATO theaetetus (text, in English, at VT.EDU).
http://un2sg4.unige.ch/athena/raphael/raf_plat.html
Plato
RAFFAELLO SANZIO, The School of Athens (detail): Plato (looking like Leonardo da Vinci).
Documents

84. Plato
education for young men after their schooling in athens; Syllabus described in politics);Founding teachers included theaetetus and Eudoxus; Most famous graduate
http://people.bu.edu/wwildman/WeirdWildWeb/courses/wphil/lectures/wphil_theme02.
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Plato (427-327BCE)
Contents Life Works Doctrine of the Forms The Person in the World Knowledge and World: The Divided Line ... Influence on Christianity
Life
Click here to see another picture of Plato (besides the one on the home page, that is). 1. Personal life and family
  • Born 427 BCE in aristocratic family, suspicious of new Athenian democracy Never married or had children Served in the military in war of Athens against Sparta Had frustrated political ambitions (see Republic Died 347 BCE
2. Philosophical training
  • Student and friend of Socrates, who died when Plato was 31 Travelled widely to learn about the world and different societies Made political contacts in an attempt to realize political ideas Probably began writing dialogues at age 40 or 45
3. Plato’s Academy
  • Founded probably just before 370, when Plato was in his mid-50’s Based in Plato’s house, which was called "Academy" Academy closed by the Emperor Justinian in 529 CE Formal education for young men after their schooling in Athens Syllabus described in book 7 of the Republic ; distinctively academic rather than oriented to professional careers (eg. in politics)

85. CV
Education and Socrates' Daimonion in the Theages and the theaetetus. CAMWS Annual CappsFellow, American School of Classical Studies at athens, 19951996.
http://www.siu.edu/~dfll/classics/Johnson/HTML/cv.html
David M. Johnson (4/2002) Department of Foreign Languages and Literatures, 4521
Southern Illinois University at Carbondale
Carbondale IL 62901
mjohnson@siu.edu SPECIAL INTERESTS Ancient Philosophy, Early Greek Poetry, Greek Historiography EDUCATION Ph.D. UNC Chapel Hill, 1996. Dissertation: "A Commentary on Plato's Alcibiades" (directed by Peter M. Smith) M.A. UNC Chapel Hill, 1990. Thesis: "Hesiod's Cosmology" (directed by Edwin L. Brown) B.A. St. John's College, Annapolis, MD and Santa Fe, NM, 1988 TEACHING EXPERIENCE Southern Illinois University at Carbondale, Lecturer (1998-1999); Assistant Professor 1999-present Large Lecture courses:
Mythology
Greek civilization Language courses:
Introductory Latin (Oxford Latin Course
Introductory Greek (Hansen and Quinn)
Intermediate Latin (Petronius; Catullus; Vergil)
Intermediate Greek (Plato, Lysias)
Discussion courses (in translation) Sex and Gender in Antiquity The Trial of Socrates Homer in translation Illinois State University, Lecturer Mythology Introductory Latin ( Oxford Latin Course Introductory Greek (New Testament Greek) Phoenix College, Professor of Classical Studies

86. Mathematicians Born In Athens
Mathematicians born in athens. Click on a place on the map to see the mathematician(s)born there. The markers on the left point to athens.
http://www-gap.dcs.st-and.ac.uk/~history/BirthplaceMaps/Athens.html
Mathematicians born in Athens
You can see a map showing only coastlines, rivers, etc or a coloured map showing the present day countries Click on a name below to go to the biography. Antiphon Plato Theaetetus Zenodorus Click on a place on the map to see the mathematician(s) born there. The markers on the left point to Athens
(Its coordinates are: Click HERE for more information about Athens Click HERE to see a map with the names of all the places marked. Birthplace Maps Index Main index Biographies Index
History Topics Index
... Search Form JOC/EFR May 2000

87. Web Tour Of Math HistoryWeb Tour Of Math History This Web Page Lists Some Web Si
Mathematicians Thales of Miletus (c. 630c 550) Anaximander of Meletus (c. 610-c. 547) Pythagoras of Samos (c. 570-c. 490) Anaximenes of Miletus (fl. c. 546)) Cleostratus of Tenedos (c. 520) Anaxagoras of Clazomenae (c. 500-c. 428) Zeno of Elea (c.
http://www.math.vanderbilt.edu/~schectex/courses/history/tour/list.htm

88. Title
Archytas of Tarentum, Ca. 430 to 350 BCE. Plato, Ca. 427 to 347 BCE. Theaetetusof athens, Ca. 415 to 369 BCE. Eudoxus of Cnidus, Ca. 410 to 355 BCE. Menaechmus,Ca.
http://www.math.uvic.ca/courses/math415/Math415Web/greece/gmen.html
Important Greek Mathematicians
The following some of the most influencial
mathematicians of Ancient Greek times.
Thales of Miletus
Ca. 625 to 550 BCE Pythagoras of Samos Ca. 572 to 495 BCE Zeno of Elea Ca. 490 to 430 BCE Hippocrates of Chios Ca. 470 to 410 BCE Archytas of Tarentum Ca. 430 to 350 BCE Plato Ca. 427 to 347 BCE Theaetetus of Athens Ca. 415 to 369 BCE Eudoxus of Cnidus Ca. 410 to 355 BCE Menaechmus Ca. 380 to 320 BCE Euclid Ca. 325 to 265 BCE Archimedes of Syracuse Ca. 287 to 212 BCE Eratosthenes Ca. 275 to 200 BCE Apollonius of Perga Ca. 260 to 190 BCE Hipparchus of Rhodes Ca. 190 to 120 BCE Claudius Ptolemy Ca. 86 to 165 AD Diophantus of Alexandria Ca. 200 to 285 AD Hypatia of Alexandria Ca. 370 to 415 AD

89. TMTh:: THEAETHETUS OF ATHENS
pupil of Theodore of Cyrene, friend of Plato and member of his Academy, Theaetetuswas wounded at the Battle of Corinth and died on his return to athens.
http://www.tmth.edu.gr/en/aet/1/90.html

Home
Ancient Greek Scientists
AGRICULTURALISTS
ARCHITECTS ... PHYSICISTS MATHEMATICIAN THEAETHETUS OF ATHENS (fl. 414 - 367 BC) Life
Son of Euphronius of Sounion, pupil of Theodore of Cyrene, friend of Plato and member of his Academy, Theaetetus was wounded at the Battle of Corinth and died on his return to Athens. Plato dedicated one of his dialogues to him. Theaethetus, worked with Eudoxus and built on his "On means", is considered the father of stereometry. Euclid based Books X and XIII of his Elements on the work of Theaethetus.
Work
His principal works are:
"Incommensurability of the square roots of all non-square simple numbers"
"Cube roots"
"Classification of the squares of incommensurable numbers"
"On the five regular solids": Construction of the 5 regular solids (cube, pyramid, octahedron, dodecahedron and icosahedron) that can be inscribed in a circle.
Contact
the Technology Museum

90. Plato, Suggestions For Study
teachers and by claiming that even the best modern politicians in athens have been Theaetetusends with Socrates going off to answer the charges that have been
http://24.24.31.212/literature/POL-LDS-Suggestions.htm
Plato: Suggestions for further study Links
(in this web): Powers Title Page
subject index

instructor

technical FAQ

Before Socrates
The most useful background for reading Plato comes from Homer , as Lessons 11 through 14 have indicated. Important historical background for Plato's Athens is provided by Thucydides, History of the Peloponnesian War (cir. 431 BC). See also Sven Delille's Peloponnesian War web site. A variety of schools of philosophy flourished before Socrates. See John Burnet's Greek Philosophy Part I: Thales to Plato for general reference on philosophy see also Internet Encyclopedia of Philosophy Socrates Apart from Plato, our chief source of knowledge about Socrates is Xenophon's memoirs of Socrates (Xenophon c. 428- c. 354 BC). Xenophon's treatment of Socrates, unlike Plato's, is non-poetic, as Xenophon was a practical military man and scholar who spent most of his adult life outside Athens. Nonetheless, Xenophon admired Socrates, and his account generally supports and occasionally enlarges the picture of Socrates that we find in Plato. Aristophanes' comedy The Clouds (419 B.C.) presents a satiric send-up of Socrates by one of his contemporaries.

91. Ethics Of Socrates, Xenophon, And Plato By Sanderson Beck
In one of his books he stated that he did not know whether the gods existed ornot; for this he was expelled from athens, and his books were burned in the
http://www.san.beck.org/EC21-Socrates.html

92. Presocratics.html
Heraclitus Fragment 1; Fragment 48; Fragment 50;. Plato on Heraclitus (Theaetetus180a);. Matthew Levy, Nietzsche's Heraclitus ;. Archelaus of athens
http://www.wbenjamin.org/nc/presocratics.html
Back to homepage "From Myth to Mind" The Presocratics: Names, Dates and Linked Readings I. The Seven Sages: 1. Thales: (floruit circa 585 B.C.E.) "Thales and the Origins of Theoretical Reasoning" (Dmitri Pachenko) 2. Bias: (circa 570 B.C.E.) Pertinent Passages on Bias in Herodotus, Apollodorus and Pausanias (c/o the Perseus Project at Tufts University.) Diodorus Siculus, THE HISTORICAL LIBRARY (c/o the Perseus Project at Tufts University.) 3. Pittacus: (circa 600 B.C.E.) Plato's Protagoras : sections 343a -347. Diodorus Siculus, THE HISTORICAL LIBRARY (c/o the Perseus Project at Tufts University.) 4. Solon: (archon 594 B.C.E.) Herodotus, "Solon and Croesus" from THE HISTORIES. Diodorus Siculus, THE HISTORICAL LIBRARY (c/o the Perseus Project at Tufts University.) 5. Cleobulus: (circa 600 B.C.E.) Diogenes Laertius Lives of the Eminent Philosophers 6. Myson: (circa 600 B.C.E.) Diogenes Laertius Lives of the Eminent Philosophers Diodorus Siculus, THE HISTORICAL LIBRARY (c/o the Perseus Project at Tufts University.) 7. Chilon:

93. *T* EBook Titles - EBookMall - Alphabetical Letter *T*
The Time Machine, The Time Machine, HG Wells. Timon of athens, Timonof athens, William Shakespeare. The Tin Soldier, The Tin Soldier, Unknown.
http://www.ebookmall.com/alpha-titles/t-titles/
Choose a Format Adobe eBook Adobe PDF Gemstar eBook hiebook HTML Instant eBook Microsoft Reader Microsoft Word MobiPocket Palm Doc Plain Text Choose best format -> Choose a Platform/Device Franklin eBookMan EPOC Gemstar/Rocket eBook Handheld PC hiebook Macintosh Palm OS Pocket PC Windows CE Windows PC Windows Tablet Compare devices ->
Alphabetical TOC
Titles Authors
eBook Titles - Alphabetical
* T *
eBook Titles Title Links Authors Links The Tale of Balen The Tale of Balen Algernon Charles Swinburne A Tale of Jerusalem A Tale of Jerusalem Edgar Allan Poe A Tale of the Ragged Mountains A Tale of the Ragged Mountains Edgar Allan Poe A Tale of Two Cities A Tale of Two Cities Charles Dickens Tales and Fantasies Tales and Fantasies Robert Louis Stevenson Tales for Fifteen Tales for Fifteen James Fenimore Cooper Tales for the Long Rains Tales for the Long Rains Kij Johnson Tales from Shakespeare Tales from Shakespeare Charles and Mary Lamb Tales From Two Hemispheres Tales From Two Hemispheres Hjalmar Hjorth Boyesen Tales of Terror and Mystery Tales of Terror and Mystery Arthur Conan Doyle Tales of the Fish Patrol Tales of the Fish Patrol Jack London Tales of the Klondyke Tales of the Klondyke Jack London Tales of Troy Tales of Troy Andrew Lang Tales of Unrest Tales of Unrest Joseph Conrad The Talisman The Talisman Sir Walter Scott Tamburlaine the Great Tamburlaine the Great Christopher Marlowe Tanglewood Tales Tanglewood Tales Nathaniel Hawthorne Tao Te Ching Tao Te Ching Lao Tse The Tao Teh King The Tao Teh King Lao-Tzu The Tapestried Chamber

94. Human Indexes Of My Books On Mathematics; Te(de) To(do) In Japanese
The summary for this Japanese page contains characters that cannot be correctly displayed in this language/character set.
http://www.com.mie-u.ac.jp/~kanie/tosm/humanind/jinmeit4.htm
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95. Reports

http://www.utexas.edu/courses/sophists/reports.htm
The Sophists
Report Topics
January 29
Protagoras
The interesting questions here center around Protagoras' "Great Speech." Is it authentic? Does it commit Protagoras to a kind of relativism? Is it consistent with a kind of relativism? Another issue is the unity of the virtues and whether one can reconstruct a specifically Protagorean doctrine about this.
February 5
Theaetetus
Most discussion of Protagoras in the Theaetetus concerns the question of relativism: Does Soc make a reasonable attempt to reconstruct Protagoras' views? In particular, does the Theaetetus evidence support ascribing to Protagoras an objective account (the hot and cold are both in the wind), a subjective account (hot or cold is in the mind of the perceiver), or a Heraclitean account (the wind changes from hot to cold), or some combination of the above? One could also investigate the related issue of a theory of perception: does Socrates make a reasonable attempt to reconstruct Protagoras' views?
February 12
Protagoras
Topics Relating to Protagoras (These May be Presented Jan 29-Feb 12): Sources and How to Use Them. The fragements of Protagoras are not texts that can be interpreted on their own. We depend instead on the testimony and imitations of other ancient authors, principally Plato, Aristotle, and Sextus. None of these is entirely reliable: we don't know what their sources were, and we do know that they were using the history of philosophy to serve in the exposition of their own positions. Plato may be the source for the other two; but he wrote a species of historical fiction in which the history is not easily disentangled from the fiction.

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