14 ideas
| 8250 | So-called 'free logic' operates without existence assumptions [Meinong, by George/Van Evra] |
| 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] |
| 8719 | There can be impossible and contradictory objects, if they can have properties [Meinong, by Friend] |
| 8971 | There are objects of which it is true that there are no such objects [Meinong] |
| 8718 | Meinong says an object need not exist, but must only have properties [Meinong, by Friend] |
| 7756 | Meinong said all objects of thought (even self-contradictions) have some sort of being [Meinong, by Lycan] |
| 15781 | The objects of knowledge are far more numerous than objects which exist [Meinong] |
| 15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
| 20441 | An ordinary object can be a work of art, but only if some theory of art supports it [Danto] |