Search Results
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c. 610 BCE - c. 546 BCEDates of Anaximander who develops the cosmic theory of the apeiron as the First Cause of existence.
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c. 585 BCETime in which Thales of Miletus lived.
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c. 571 BCE - c. 497 BCELife of Pythagoras of Samos; claim that "number" is the First Cause of existence and the soul is immortal.
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c. 570 BCE - c. 478 BCELife of Xenophanes of Colophon; claim of One God as the First Cause of existence.
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c. 546 BCEDate of Anaximenes' work; air is claimed as the First Cause of existence.
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c. 500 BCEHeraclitus of Ephesus lives; claims that change is the essence of life and First Cause.
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c. 500 BCE - c. 428 BCELife of Anaxagoras; claim that gods are irrelevant and all phenomena caused by natural forces.
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c. 485 BCEParmenides flourishes; claims universe is One and pluralism is an illusion.
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c. 485 BCE - c. 415 BCELife of the Sophist Protagoras of Abdera; claim that "man is the measure of all things".
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c. 484 BCE - c. 424 BCELife of Empedocles who claims that Strife and Love are the two constants in life.
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c. 465 BCEZeno of Elea flourishes; writes 40 logical paradoxes to support Parmenides' Monist view.
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c. 460 BCE - 403 BCELife of the tyrant and Sophist Critias; claim that gods do not exist and religion is the invention of the clever to control others.
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c. 460 BCE - c. 370 BCELife of Democritus, pupil of Leucippus; development of the concept of the atomic universe.
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c. 427 BCESophist Gorgias flourishes; claim that knowledge is unknowable.
