Combining Texts

All the ideas for 'Science and Method', 'Notes on Comments by Fardella' and 'The Barcan Formula and Metaphysics'

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

---

7 ideas

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

16186

The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]

16187

The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]

16190

BF implies that if W possibly had a child, then something is possibly W's child [Simchen]

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

10245

One geometry cannot be more true than another [Poincaré]

9. Objects / B. Unity of Objects / 1. Unifying an Object / c. Unity as conceptual

13160

To exist and be understood, a multitude must first be reduced to a unity [Leibniz]

9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance

13161

Substances are everywhere in matter, like points in a line [Leibniz]

10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism

16188

Serious Actualism says there are no facts at all about something which doesn't exist [Simchen]