Combining Texts

Ideas for 'Intensional Logic', 'Syntactic Structure' and 'Nature's Metaphysics'

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5 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

9449	The plausible Barcan formula implies modality in the actual world [Bird]

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]