Combining Texts

All the ideas for 'Space and Time', 'A Completeness Theorem in Modal Logic' and 'Reflections on my Critics'

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8 ideas

3. Truth / H. Deflationary Truth / 2. Deflationary Truth

12129

'Truth' may only apply within a theory [Kuhn]

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

10163

Propositional modal logic has been proved to be complete [Kripke, by Feferman/Feferman]

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic

10760

With possible worlds, S4 and S5 are sound and complete, but S1-S3 are not even sound [Kripke, by Rossberg]

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

16189

The variable domain approach to quantified modal logic invalidates the Barcan Formula [Kripke, by Simchen]

15132

The Barcan formulas fail in models with varying domains [Kripke, by Williamson]

14. Science / B. Scientific Theories / 1. Scientific Theory

6809	Kuhn came to accept that all scientists agree on a particular set of values [Kuhn, by Bird]

14. Science / B. Scientific Theories / 5. Commensurability

12128

In theory change, words shift their natural reference, so the theories are incommensurable [Kuhn]

27. Natural Reality / C. Space / 6. Space-Time

14014

Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski]