Ideas of Melvin Fitting, by Theme
[American, fl. 1998, At Lehmann College.]
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4. Formal Logic / E. Nonclassical Logics / 8. Intensional Logic
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If terms change their designations in different states, they are functions from states to objects
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Intensional logic adds a second type of quantification, over intensional objects, or individual concepts
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4. Formal Logic / E. Nonclassical Logics / 9. Awareness Logic
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Awareness logic adds the restriction of an awareness function to epistemic logic
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4. Formal Logic / E. Nonclassical Logics / 10. Justification Logics
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Justication logics make explicit the reasons for mathematical truth in proofs
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5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics
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Classical logic is deliberately extensional, in order to model mathematics
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5. Theory of Logic / F. Referring in Logic / 3. Property (λ-) Abstraction
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λ-abstraction disambiguates the scope of modal operators
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10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity
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Definite descriptions pick out different objects in different possible worlds
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