7 ideas
| 9465 | Substitutional universal quantification retains truth for substitution of terms of the same type [Jacquette] |
| 9466 | Nominalists like substitutional quantification to avoid the metaphysics of objects [Jacquette] |
| 579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
| 14794 | Instead of seeking Truth, we should seek belief that is beyond doubt [Peirce] |
| 578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |
| 14792 | A 'conception', the rational implication of a word, lies in its bearing upon the conduct of life [Peirce] |
| 14793 | The definition of a concept is just its experimental implications [Peirce] |