Combining Texts

All the ideas for 'Dialogue on human freedom and origin of evil', 'Humean metaphysics vs metaphysics of Powers' and 'A Completeness Theorem in Modal Logic'

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9 ideas

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]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

13163

Circles must be bounded, so cannot be infinite [Leibniz]

16. Persons / F. Free Will / 6. Determinism / b. Fate

13162

Sloth's Syllogism: either it can't happen, or it is inevitable without my effort [Leibniz]

27. Natural Reality / D. Time / 2. Passage of Time / g. Time's arrow

13440

Causation is the power of one property to produce another, and this gives time its direction [Esfeld]

29. Religion / D. Religious Issues / 3. Problem of Evil / a. Problem of Evil

19339

Evil is a negation of good, which arises from non-being [Leibniz]

13164

God only made sin possible because a much greater good can be derived from it [Leibniz]