13 ideas
10882 | Predicative definitions only refer to entities outside the defined collection [Horsten] |
15547 | Negative existentials have 'totality facts' as truthmakers [Armstrong, by Lewis] |
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
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] |
10884 | A theory is 'categorical' if it has just one model up to isomorphism [Horsten] |
10885 | Computer proofs don't provide explanations [Horsten] |
10881 | The concept of 'ordinal number' is set-theoretic, not arithmetical [Horsten] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
15542 | All possibilities are recombinations of properties in the actual world [Armstrong, by Lewis] |
9365 | We can maintain a priori principles come what may, but we can also change them [Lewis,CI] |
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] |