Combining Texts

Ideas for 'Writing the Book of the World', 'Ontology' and 'Liberalism and the Limits of Justice'

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2 ideas

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

7689	The modal logic of C.I.Lewis was only interpreted by Kripke and Hintikka in the 1960s [Jacquette]

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

15023

The Barcan schema implies if X might have fathered something, there is something X might have fathered [Sider]