Combining Texts

All the ideas for 'On the Question of Absolute Undecidability', 'A Plea for Excuses' and 'Psychophysical supervenience'

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8 ideas

1. Philosophy / F. Analytic Philosophy / 5. Linguistic Analysis
Ordinary language is the beginning of philosophy, but there is much more to it [Austin,JL]
4. Formal Logic / F. Set Theory ST / 1. Set Theory
Mathematical set theory has many plausible stopping points, such as finitism, and predicativism [Koellner]
'Reflection principles' say the whole truth about sets can't be captured [Koellner]
5. Theory of Logic / K. Features of Logics / 5. Incompleteness
We have no argument to show a statement is absolutely undecidable [Koellner]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / i. Cardinal infinity
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
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
Arithmetical undecidability is always settled at the next stage up [Koellner]
8. Modes of Existence / B. Properties / 4. Intrinsic Properties
Extrinsic properties, unlike intrinsics, imply the existence of a separate object [Kim, by Lewis]