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] |
10009 | Substitutional quantification is just a variant of Tarski's account [Wallace, by Baldwin] |
12695 | Epicurean atomists say body is sensible, to distinguish it from space. [Garber] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
12705 | Epicurean atoms are distinguished by their extreme hardness [Garber] |