12 ideas
21959 | Metaphysics is the most general attempt to make sense of things [Moore,AW] |
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] |
14361 | Lewis says indicative conditionals are truth-functional [Lewis, by Jackson] |
8434 | In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
21958 | Appearances are nothing beyond representations, which is transcendental ideality [Moore,AW] |
9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |