30 ideas
| 22138 | Science rests on scholastic metaphysics, not on Hume, Kant or Carnap [Boulter] |
| 12801 | Coherentists seek relations among beliefs that are simple, conservative and explanatory [Foley] |
| 1553 | No perceptible object is truly straight or curved [Protagoras] |
| 22134 | Thoughts are general, but the world isn't, so how can we think accurately? [Boulter] |
| 22150 | Logical possibility needs the concepts of the proposition to be adequate [Boulter] |
| 1549 | Everything that exists consists in being perceived [Protagoras] |
| 19708 | Rational internal belief is conviction that a proposition enhances a belief system [Foley, by Vahid] |
| 12800 | Externalists want to understand knowledge, Internalists want to understand justification [Foley] |
| 12802 | We aren't directly pragmatic about belief, but pragmatic about the deliberation which precedes it [Foley] |
| 12803 | Justification comes from acceptable procedures, given practical constraints [Foley] |
| 1545 | Protagoras was the first to claim that there are two contradictory arguments about everything [Protagoras, by Diog. Laertius] |
| 1547 | Man is the measure of all things - of things that are, and of things that are not [Protagoras] |
| 3305 | There is no more purely metaphysical doctrine than Protagorean relativism [Benardete,JA on Protagoras] |
| 3313 | If my hot wind is your cold wind, then wind is neither hot nor cold, and so not as cold as itself [Benardete,JA on Protagoras] |
| 3317 | You can only state the problem of the relative warmth of an object by agreeing on the underlying object [Benardete,JA on Protagoras] |
| 247 | God is "the measure of all things", more than any man [Plato on Protagoras] |
| 606 | Protagoras absurdly thought that the knowing or perceiving man is 'the measure of all things' [Aristotle on Protagoras] |
| 612 | Relativists think if you poke your eye and see double, there must be two things [Aristotle on Protagoras] |
| 22139 | Experiments don't just observe; they look to see what interventions change the natural order [Boulter] |
| 22136 | Science begins with sufficient reason, de-animation, and the importance of nature [Boulter] |
| 22135 | Our concepts can never fully capture reality, but simplification does not falsify [Boulter] |
| 22152 | Aristotelians accept the analytic-synthetic distinction [Boulter] |
| 6016 | Early sophists thought convention improved nature; later they said nature was diminished by it [Protagoras, by Miller,FD] |
| 22156 | The facts about human health are the measure of the values in our lives [Boulter] |
| 1580 | For Protagoras the only bad behaviour is that which interferes with social harmony [Protagoras, by Roochnik] |
| 205 | Protagoras contradicts himself by saying virtue is teachable, but then that it is not knowledge [Plato on Protagoras] |
| 1659 | Protagoras seems to have made the huge move of separating punishment from revenge [Protagoras, by Vlastos] |
| 532 | Successful education must go deep into the soul [Protagoras] |
| 1552 | He spent public money on education, as it benefits the individual and the state [Protagoras, by Diodorus of Sicily] |
| 1551 | He said he didn't know whether there are gods - but this is the same as atheism [Diogenes of Oen. on Protagoras] |