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Ideas of Protagoras, by Text
[Greek, c.481 - 411 BCE, Born at Abdera, in northern Greece. Died in Sicily.]
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p.16
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3305
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There is no more purely metaphysical doctrine than Protagorean relativism [Benardete,JA]
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p.49
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3313
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If my hot wind is your cold wind, then wind is neither hot nor cold, and so not as cold as itself [Benardete,JA]
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p.54
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3317
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You can only state the problem of the relative warmth of an object by agreeing on the underlying object [Benardete,JA]
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p.63
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1580
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For Protagoras the only bad behaviour is that which interferes with social harmony [Roochnik]
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p.99
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205
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Protagoras contradicts himself by saying virtue is teachable, but then that it is not knowledge [Plato]
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p.175
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247
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God is "the measure of all things", more than any man [Plato]
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p.187
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1659
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Protagoras seems to have made the huge move of separating punishment from revenge [Vlastos]
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p.214
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1549
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Everything that exists consists in being perceived
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p.219
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1552
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He spent public money on education, as it benefits the individual and the state [Diodorus of Sicily]
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p.289
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606
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Protagoras absurdly thought that the knowing or perceiving man is 'the measure of all things' [Aristotle]
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p.331
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612
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Relativists think if you poke your eye and see double, there must be two things [Aristotle]
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p.441
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6016
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Early sophists thought convention improved nature; later they said nature was diminished by it [Miller,FD]
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A1
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p.211
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1545
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Protagoras was the first to claim that there are two contradictory arguments about everything [Diog. Laertius]
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A23
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p.219
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1551
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He said he didn't know whether there are gods - but this is the same as atheism [Diogenes of Oen.]
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B07
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p.220
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1553
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No perceptible object is truly straight or curved
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B11
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p.127
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532
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Successful education must go deep into the soul
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