Combining Texts

All the ideas for 'works', 'Model Theory for Modal Logic I' and 'Two letters on mind'

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4 ideas

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

9560	S5 provides the correct logic for necessity in the broadly logical sense [Fine,K]

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

10121

Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]

8. Modes of Existence / C. Powers and Dispositions / 2. Powers as Basic

16635

Incorporeal substances are powers or forces [Descartes, by Pasnau]

26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / c. Matter as extension

16684

Impenetrability only belongs to the essence of extension [Descartes]