14 ideas
8000 | He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre] |
4037 | Ockham's Razor is the principle that we need reasons to believe in entities [Mellor/Oliver] |
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] |
18521 | The criterion of existence is the possibility of action [Santayana] |
4027 | Properties are respects in which particular objects may be alike or differ [Mellor/Oliver] |
4029 | Nominalists ask why we should postulate properties at all [Mellor/Oliver] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
4039 | Abstractions lack causes, effects and spatio-temporal locations [Mellor/Oliver] |
23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |