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It seems there might be a typo in your question. If you're referring to "Eratosthenes," he was an ancient Greek mathematician, astronomer, and geographer known for his work in calculating the Earth's circumference and for developing the Sieve of Eratosthenes, a method for finding prime numbers.

Ancestors (6)

  1. Formalism (aesthetics)
  2. Formalism (philosophy)
  3. Theories of deduction
  4. Philosophy of mathematics
  5. Mathematics
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