A character in one of this man's works calls another a "torpedo fish" and later teaches a slave how to double a square.
Karl Popper claimed that readers of this man's works fell under his "spell" in The Open Society and its Enemies. This man used a cyclical argument to prove the soul's immortality. A character in one of this man's works calls another a "torpedo fish" and later teaches a slave how to double a square. This thinker wrote of a ring of invisibility to question morality in another work that advocates for rule by "philosopher-kings." For 10 points, name this thinker whose dialogues, like the Phaedo, the Meno, and the Republic, often featured his mentor, Socrates.
Karl Popper claimed that readers of this man's works fell under his "spell" in The Open Society and its Enemies.
Plato [or Platon]