15 ideas
| 15375 | If terms change their designations in different states, they are functions from states to objects [Fitting] |
| 15376 | Intensional logic adds a second type of quantification, over intensional objects, or individual concepts [Fitting] |
| 15378 | Awareness logic adds the restriction of an awareness function to epistemic logic [Fitting] |
| 15379 | Justication logics make explicit the reasons for mathematical truth in proofs [Fitting] |
| 11026 | Classical logic is deliberately extensional, in order to model mathematics [Fitting] |
| 11028 | λ-abstraction disambiguates the scope of modal operators [Fitting] |
| 4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
| 15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
| 4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
| 21733 | The right-wing conception of freedom is based on the idea of self-ownership [Cohen,GA] |
| 21739 | Plenty of people have self-ownership, but still lack autonomy [Cohen,GA] |
| 21736 | It is doubtful whether any private property was originally acquired legitimately [Cohen,GA] |
| 21734 | It is plausible that no one has an initial right to own land and natural resources [Cohen,GA] |
| 21735 | Every thing which is now private started out as unowned [Cohen,GA] |
| 4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |