Combining Philosophers

All the ideas for Melvin Fitting, Jonathan Swift and Alex Betteridge

expand these ideas     |    start again     |     specify just one area for these philosophers

---

9 ideas

2. Reason / A. Nature of Reason / 9. Limits of Reason

22520

You can't reason someone out of an irrational opinion [Swift]

4. Formal Logic / E. Nonclassical Logics / 8. Intensional Logic

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]

4. Formal Logic / E. Nonclassical Logics / 9. Awareness Logic

15378

Awareness logic adds the restriction of an awareness function to epistemic logic [Fitting]

4. Formal Logic / E. Nonclassical Logics / 10. Justification Logics

15379

Justication logics make explicit the reasons for mathematical truth in proofs [Fitting]

5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics

11026

Classical logic is deliberately extensional, in order to model mathematics [Fitting]

5. Theory of Logic / F. Referring in Logic / 3. Property (λ-) Abstraction

11028

λ-abstraction disambiguates the scope of modal operators [Fitting]

10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity

15377

Definite descriptions pick out different objects in different possible worlds [Fitting]

15. Nature of Minds / C. Capacities of Minds / 2. Imagination

6901	Understanding is needed for imagination, just as much as the other way around [Betteridge]