11 ideas
2626 | A philosopher is outside any community of ideas [Wittgenstein] |
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] |
6569 | 'This sentence is false' sends us in a looping search for its proposition [Wittgenstein, by Fogelin] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
3790 | Causes of beliefs are irrelevant to their contents [Wittgenstein] |
23218 | The brain has no responsibility for sensations, which occur in the heart [Aristotle] |