Combining Texts

Ideas for 'On the Question of Absolute Undecidability', 'A Puzzle Concerning Matter and Form' and 'Propositions'

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4 ideas

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

19209

Simple Quantified Modal Logc doesn't work, because the Converse Barcan is a theorem [Merricks]

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

19208

The Converse Barcan implies 'everything exists necessarily' is a consequence of 'necessarily, everything exists' [Merricks]

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]