Combining Texts

All the ideas for 'Elucidation of some points in E.Schröder', 'Reply to Sixth Objections' and 'The Epistemology of Modality'

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

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

14238

A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]

7. Existence / C. Structure of Existence / 5. Supervenience / c. Significance of supervenience

3644	Two things being joined together doesn't prove they are the same [Descartes]

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible

19440

How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]

13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism

3621	Only judgement decides which of our senses are reliable [Descartes]

28. God / A. Divine Nature / 6. Divine Morality / d. God decrees morality

3637	Ideas in God's mind only have value if he makes it so [Descartes]