Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'De rebus naturalibus' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5

7791	The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle]

8. Modes of Existence / C. Powers and Dispositions / 3. Powers as Derived

16740

A power is not a cause, but an aptitude for a cause [Zabarella]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

19347

Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]

10. Modality / A. Necessity / 2. Nature of Necessity

11002

Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / b. Prime matter

16571

Prime matter is exceptionally obscure [Zabarella]