11 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] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
16700 | In order to speak about time and successive entities, the 'present' must be enlarged [Wycliff] |
16701 | To be successive a thing needs parts, which must therefore be lodged outside that instant [Wycliff] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |