Combining Texts

All the ideas for 'fragments/reports', 'A Priori Knowledge Revisited' and 'works'

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

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8 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

9565	Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara]

3339	For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

12430

Classical logic is our preconditions for assessing empirical evidence [Kitcher]

12431

I believe classical logic because I was taught it and use it, but it could be undermined [Kitcher]

10. Modality / D. Knowledge of Modality / 1. A Priori Necessary

12428

Many necessities are inexpressible, and unknowable a priori [Kitcher]

10. Modality / D. Knowledge of Modality / 2. A Priori Contingent

12429

Knowing our own existence is a priori, but not necessary [Kitcher]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]