Combining Texts

Ideas for 'Metaphysics', 'The Barcan Formula and Metaphysics' and '23: Book of Isaiah'

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3 ideas

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

16186

The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]

16187

The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]

16190

BF implies that if W possibly had a child, then something is possibly W's child [Simchen]