Combining Philosophers
Ideas for Melvin Fitting, Stephen S. Colvin and Ori Simchen
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7 ideas
4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
16186
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The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]
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16187
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The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]
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16190
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BF implies that if W possibly had a child, then something is possibly W's child [Simchen]
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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 [Fitting]
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15376
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Intensional logic adds a second type of quantification, over intensional objects, or individual concepts [Fitting]
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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 [Fitting]
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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 [Fitting]
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