15 ideas
| 9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
| 12430 | Classical logic is our preconditions for assessing empirical evidence [Kitcher] |
| 12431 | I believe classical logic because I was taught it and use it, but it could be undermined [Kitcher] |
| 9357 | Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI] |
| 9364 | Names represent a uniformity in experience, or they name nothing [Lewis,CI] |
| 5044 | Reality must be made of basic unities, which will be animated, substantial points [Leibniz] |
| 9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
| 12428 | Many necessities are inexpressible, and unknowable a priori [Kitcher] |
| 12429 | Knowing our own existence is a priori, but not necessary [Kitcher] |
| 9365 | We can maintain a priori principles come what may, but we can also change them [Lewis,CI] |
| 5045 | No machine or mere organised matter could have a unified self [Leibniz] |
| 5046 | The soul does know bodies, although they do not influence one another [Leibniz] |
| 9361 | We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI] |
| 9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |
| 5043 | To regard animals as mere machines may be possible, but seems improbable [Leibniz] |