11 ideas
5035 | The two basics of reasoning are contradiction and sufficient reason [Leibniz] |
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] |
15377 | Definite descriptions pick out different objects in different possible worlds [Fitting] |
5038 | Assume that mind and body follow their own laws, but God has harmonised them [Leibniz] |
16591 | Prime matter is nothing but its parts [Vanini] |
5037 | God doesn't decide that Adam will sin, but that sinful Adam's existence is to be preferred [Leibniz] |