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Plato’s Theaetetus

Perception, memory, truth, and knowledge all play major roles in this dialogue. What is remarkable about Plato’s treatment of those ideas is how contemporary are both the questions and the answers he puts in the mouths of his characters. Socrates is adamant in asserting that he does not know the answers but that his function is simply to help formulate and critically examine the doctrines presented by others. While he was still alive, the great sophist Protagoras was a friend of Theodorus who has subsequently given up abstract philosophical inquiry and now teaches mathematics, astronomy, and logic to young people such as Theaetetus, the most gifted student he has ever encountered. Socrates examines young Theaetetus to determine whether or not what he has learned from Theodorus provides wisdom and truth. The analogies and metaphors that emerge during their conversation foreshadow the theories of mind favored by contemporary cognitive scientists, but Plato’s dialogue also raises serious doubts about the cogency of those explanations.

Plato lived in Athens, Greece. He wrote approximately two-dozen dialogues that explore core topics that are essential to all human beings. Although the historical Socrates was a strong influence on Plato, the character by that name that appears in many of his dialogues is a product of Plato’s fertile imagination. All of Plato’s dialogues are written in a poetic form that his student Aristotle called "Socratic dialogue." In the twentieth century, the British philosopher and logician Alfred North Whitehead characterized the entire European philosophical tradition as "a series of footnotes to Plato." Philosophy for Plato was not a set of doctrines but a goal — not the possession of wisdom but the love of wisdom. Agora Publications offers these performances based on the assumption that Plato wrote these works to be performed by actors in order to stimulate additional dialogue among those who listen to them.


  1. The Philosophy Collection

    Marcus Aurelius, Miyamoto Musashi, Ralph Waldo Emerson, Friedrich Nietzsche, Søren Kierkegaard, Sun Tzu, Epictetus, Confucius, Plato, Lucretius, Seneca

    audiobook
  2. The Complete Harvard Classics 2021 Edition - ALL 71 Volumes : The Five Foot Shelf & The Shelf of Fiction: The Famous Anthology of the Greatest Works of World Literature

    Charles W. Eliot, Benjamin Franklin, John Woolman, William Penn, Plato, Epictetus, Marcus Aurelius, Francis Bacon, John Milton, Thomas Browne, Robert Burns, Masterpiece Everywhere

    book
  3. Laws

    Plato

    audiobookbook
  4. Summary of The Republic

    Plato

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  5. Meno : Can Virtue Be Taught? – A Foundational Exploration of Knowledge, Learning, and Moral Character

    Plato, Tim Zengerink

    audiobook
  6. Theaetetus : What Is Knowledge? – A Foundational Dialogue on Epistemology and Perception

    Plato, Tim Zengerink

    audiobook
  7. Crito : Justice, Duty, and Civil Disobedience – Socrates’ Reflections from His Prison Cell

    Plato, Tim Zengerink

    audiobook
  8. Hippias Major : What Is Beauty? – Plato’s Dialogue on Aesthetics and the Search for Universal Truth

    Plato, Tim Zengerink

    audiobook
  9. Gorgias : A Clash Between Rhetoric and Philosophy – Plato’s Dialogue on Power, Morality, and the Good Life

    Plato, Tim Zengerink

    audiobook
  10. Alcibiades I : A Young Politician’s Search for Self-Knowledge – Plato’s Dialogue on Ambition and the Soul

    Plato, Tim Zengerink

    audiobook
  11. Laches : What Is Courage? – Plato’s Philosophical Exploration of Bravery and Character

    Plato, Tim Zengerink

    audiobook
  12. Euthydemus : Logic, Language, and the Absurd – Plato’s Satirical Dialogue on Sophistry and Education

    Plato, Tim Zengerink

    audiobook