Combining Texts

All the ideas for 'Philosophical Fragments', 'The Foundations of Mathematics (2nd ed)' and 'Definitiones cogitationesque metaphysicae'

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

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5 ideas

7. Existence / A. Nature of Existence / 5. Reason for Existence

16007

I assume existence, rather than reasoning towards it [Kierkegaard]

8. Modes of Existence / A. Relations / 4. Formal Relations / b. Equivalence relation

18465

An 'equivalence' relation is one which is reflexive, symmetric and transitive [Kunen]

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

12712

Substance is that which can act [Leibniz]

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

16013

Nothing necessary can come into existence, since it already 'is' [Kierkegaard]

14. Science / D. Explanation / 3. Best Explanation / b. Ultimate explanation

12737

Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz]