Combining Texts

All the ideas for 'Notes on John Wilkins', 'Symbolic Logic (with Langford)' and 'Philosophical Fragments'

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

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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]

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

12694

Essence is the distinct thinkability of anything [Leibniz]

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

16013

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

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

7803	Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]