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Plato: Aristotle Metaph
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Aristotle himself had little use for this sort of mathematical metaphysics and rejected Plato's doctrine of transcendent eternal Forms altogether. Something of Platonism, nonetheless, survived in Aristotle's system in his beliefs that the reality of anything lay in a changeless (though wholly immanent) form or essence comprehensible and definable by reason and that the highest realities were eternal, immaterial, changeless self-sufficient intellects which caused the ordered movement of the universe. It was the desire to give expression to their transcendent perfection that kept the heavenly spheres rotating. Man's intellect at its highest was akin to them. This Aristotelian doctrine of Intellect (nous) was easily recombined with Platonism in later antiquity.
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Many other dialogues ascribed to Plato ... use the Socratic character, but do not share this pronounced concern for virtue. In these dialogues, Plato uses Socrates as a mere name, a voice-marker who does not have the distinctive, self-deprecating wit of the important dialogues. The metaphysical dialogues attributed to Plato do not contain material of human interest, but are very abstract and read by specialists.
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Aristotle Metaph