Summary of Anaximenes

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Anaximenes' theory that everything was made of air was rejected by Aristotle, who accused him of ignorance.

• 00:00:00 Anaximenes believed that everything was made of air, and that the universe was eternal. He rejected the theories of his fellows, and argued that heat was made of rarefied air and cold was condensed air. Aristotle dismissed Anaximenes' empirical argument, accusing him of plain ignorance.