Combining Texts

All the ideas for 'fragments/reports', 'Rechnungsmethoden (dissertation)' and 'Some Puzzles of Ground'

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6 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

14263

Strong Kleene disjunction just needs one true disjunct; Weak needs the other to have some value [Fine,K]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / c. Priority of numbers

18256

Quantity is inconceivable without the idea of addition [Frege]

6. Mathematics / C. Sources of Mathematics / 2. Intuition of Mathematics

9831	Geometry appeals to intuition as the source of its axioms [Frege]

7. Existence / C. Structure of Existence / 1. Grounding / a. Nature of grounding

14262

Formal grounding needs transitivity of grounding, no self-grounding, and the existence of both parties [Fine,K]

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]