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[ See, for evidence of the great gifts and real philosophy of Anaxagoras, Brucker de Sect. Ion., xix.
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[ Arist. Eth. Eu., i., 5.
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[ Archelaus began to teach during the interval between the first and second visit of Anaxagoras. See Fast. Hell., vol. ii., B. C. 450.
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[ See the evidence of this in the Clouds of Aristophanes.
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[ Plut. in vit. Per.