Combining Texts

All the ideas for 'Philosophical Fragments', 'Mathematical Physics' and 'Ontological Ground of Alethic Modality'

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4 ideas

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

16007

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

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

16013

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

10. Modality / E. Possible worlds / 1. Possible Worlds / e. Against possible worlds

9220	Lewis must specify that all possibilities are in his worlds, making the whole thing circular [Shalkowski, by Sider]

18. Thought / E. Abstraction / 3. Abstracta by Ignoring

9567	Maths deals with quantities of physical significance, ignoring irrelevant features [Geroch]