10 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] |
9103 | A universal is not a real feature of objects, but only a thought-object in the mind [William of Ockham] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
6493 | We are not conscious of pure liquidity, but of the liquidity of water [Firth] |
9104 | A universal is the result of abstraction, which is only a kind of mental picturing [William of Ockham] |