Combining Texts

All the ideas for 'Frege's Theory of Numbers', 'Set Theory and its Logic' and 'Some Puzzles of Ground'

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

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4 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]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility

21717

Reducibility undermines type ramification, and is committed to the existence of functions [Quine, by Linsky,B]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

17447

Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck]

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]