Combining Philosophers

All the ideas for J.B. Watson, Chris Daly and Peter Koellner

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10 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory
17884 Mathematical set theory has many plausible stopping points, such as finitism, and predicativism [Koellner]
17893 'Reflection principles' say the whole truth about sets can't be captured [Koellner]
5. Theory of Logic / K. Features of Logics / 5. Incompleteness
17894 We have no argument to show a statement is absolutely undecidable [Koellner]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / i. Cardinal infinity
17890 There are at least eleven types of large cardinal, of increasing logical strength [Koellner]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / d. Peano arithmetic
17887 PA is consistent as far as we can accept, and we expand axioms to overcome limitations [Koellner]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / g. Incompleteness of Arithmetic
17891 Arithmetical undecidability is always settled at the next stage up [Koellner]
8. Modes of Existence / B. Properties / 13. Tropes / a. Nature of tropes
8526 We might treat both tropes and substances as fundamental, so we can't presume it is just tropes [Daly]
8. Modes of Existence / B. Properties / 13. Tropes / b. Critique of tropes
8527 More than one trope (even identical ones!) can occupy the same location [Daly]
8528 If tropes are linked by the existence of concurrence, a special relation is needed to link them all [Daly]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / e. Human nature
7517 I could take a healthy infant and train it up to be any type of specialist I choose [Watson,JB]