Combining Philosophers

All the ideas for Melvin Fitting, Vittorio Hsle and Richard Posner

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10 ideas

1. Philosophy / E. Nature of Metaphysics / 3. Metaphysical Systems
Early Romantics sought a plurality of systems, in a quest for freedom [Hösle]
4. Formal Logic / E. Nonclassical Logics / 8. Intensional Logic
If terms change their designations in different states, they are functions from states to objects [Fitting]
Intensional logic adds a second type of quantification, over intensional objects, or individual concepts [Fitting]
4. Formal Logic / E. Nonclassical Logics / 9. Awareness Logic
Awareness logic adds the restriction of an awareness function to epistemic logic [Fitting]
4. Formal Logic / E. Nonclassical Logics / 10. Justification Logics
Justication logics make explicit the reasons for mathematical truth in proofs [Fitting]
5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics
Classical logic is deliberately extensional, in order to model mathematics [Fitting]
5. Theory of Logic / F. Referring in Logic / 3. Property (λ-) Abstraction
λ-abstraction disambiguates the scope of modal operators [Fitting]
10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity
Definite descriptions pick out different objects in different possible worlds [Fitting]
24. Political Theory / D. Ideologies / 5. Democracy / a. Nature of democracy
Democracy is competition for support of the people, guided by self-interest on all sides [Posner]
25. Social Practice / E. Policies / 5. Education / d. Study of history
In the 18th century history came to be seen as progressive, rather than cyclical [Hösle]