Combining Texts

All the ideas for 'fragments/reports', 'Conspectus libelli (book outline)' and 'A Completeness Theorem in Modal Logic'

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10 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]

9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates

12699

A body would be endless disunited parts, if it did not have a unifying form or soul [Leibniz]

9. Objects / C. Structure of Objects / 2. Hylomorphism / d. Form as unifier

12700

Form or soul gives unity and duration; matter gives multiplicity and change [Leibniz]

10. Modality / D. Knowledge of Modality / 2. A Priori Contingent

12736

If we understand God and his choices, we have a priori knowledge of contingent truths [Leibniz, by Garber]

17. Mind and Body / A. Mind-Body Dualism / 3. Panpsychism

12698

Every body contains a kind of sense and appetite, or a soul [Leibniz]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]