Combining Texts
Ideas for
'On the Question of Absolute Undecidability', 'The Barcan Formula and Metaphysics' and 'Elements of Mind'
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5 ideas
4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
16186
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The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]
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16187
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The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]
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16190
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BF implies that if W possibly had a child, then something is possibly W's child [Simchen]
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4. Formal Logic / F. Set Theory ST / 1. Set Theory
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Mathematical set theory has many plausible stopping points, such as finitism, and predicativism [Koellner]
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17893
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'Reflection principles' say the whole truth about sets can't be captured [Koellner]
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