10 ideas
15130 | If a property is possible, there is something which can have it [Williamson] |
11989 | For Russell, expressions dependent on contingent circumstances must be eliminated [Kaplan] |
13949 | All models of Peano axioms are isomorphic, so the models all seem equally good for natural numbers [Cartwright,R on Peano] |
18113 | PA concerns any entities which satisfy the axioms [Peano, by Bostock] |
17634 | Peano axioms not only support arithmetic, but are also fairly obvious [Peano, by Russell] |
15653 | We can add Reflexion Principles to Peano Arithmetic, which assert its consistency or soundness [Halbach on Peano] |
17635 | Arithmetic can have even simpler logical premises than the Peano Axioms [Russell on Peano] |
11990 | 'Haecceitism' says that sameness or difference of individuals is independent of appearances [Kaplan] |
9668 | 'Haecceitism' is common thisness under dissimilarity, or distinct thisnesses under resemblance [Kaplan] |
11991 | If quantification into modal contexts is legitimate, that seems to imply some form of haecceitism [Kaplan] |