About this book
What if the idea that explains reality cannot survive its own hardest questions?
In Plato’s Parmenides, a young Socrates meets the elderly Parmenides and his follower Zeno in an imagined conversation in Athens. Socrates offers the theory of Forms as an answer to Zeno’s puzzle: many different things can share one nature. But Parmenides presses him. How can things share a Form without dividing it or multiplying the problem?
Plato lets a formidable thinker challenge his own best-known idea, then turns the conversation into a demanding exercise in reasoning. Parmenides takes up the One and asks what follows if it is. Being, unity, plurality and time become questions to work through, not answers to accept. The argument is hard, but its moves can be followed with care.
What you’ll discover
- Socrates under pressure Meet a young thinker whose answer to Zeno opens the way to searching objections.
- One nature, many things Explore why sharing a Form raises difficult questions about wholes, parts and likeness.
- A theory tests itself Watch Plato expose the theory of Forms to objections rather than shield it from scrutiny.
- The puzzle of unity Follow Parmenides as he examines the One through a sustained exercise in reasoning.
- Thinking without easy answers Take time with arguments that ask you to examine each step and its consequences.
Is it for you?
This is for readers who have met Plato's Republic or Phaedo and want to see him question himself, and for anyone curious about logic, being and unity. If you want a story or an easy argument, you may find it less suited.
What’s inside
The key ideas, in the 15-minute summary
- A young Socrates meets two old masters
- Forms answer Zeno, but invite hard questions
- How can many things share one Form?
- Why Parmenides still defends the Forms
- The One taken alone has no being
- Opposites follow either way, and what lasts
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- Large print hardcover
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Language: Italiano
From the 15-minute summary · Key idea 1 of 6
A young Socrates meets two old masters
The dialogue is framed as a story passed down through several people. A man named Cephalus travels from Clazomenae to Athens and asks Antiphon to retell a famous conversation. Antiphon learned it long ago from Pythodorus, a friend of Zeno who was present. Antiphon is the half-brother of Plato's own brothers, Glaucon and Adeimantus, so Plato places his family inside the chain of memory.
The meeting itself is set during the great festival of the Panathenaea. Parmenides is described as about sixty-five years old, with white hair and a noble look. Zeno is nearly forty. Socrates is very young. Parmenides was the philosopher who argued that what is must be one and unchanging, and that change and plurality are illusions of the senses. Zeno was famous for defending him by showing that the opposite view leads to absurd results.
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What is Plato's Parmenides about?
It is a dialogue in which the young Socrates presents the theory of Forms, and the old philosopher Parmenides raises objections to it. It then works through a long exercise on the nature of the One and being.
Who are Parmenides and Zeno in the dialogue?
Parmenides was a thinker from Elea in southern Italy who argued that what is, is one and unchanging. Zeno was his follower, famous for puzzles that tried to show the many cannot exist.
What is the third man argument?
It is the objection that if a Form explains why many things share a quality, a further Form is needed to explain what the Form and those things share. This leads to an endless regress.
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