Combining Texts

Ideas for 'Intensional Logic', 'The Poetics' and 'Carnap and Logical Truth'

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3 ideas

10. Modality / A. Necessity / 6. Logical Necessity

9001	Frege moved Kant's question about a priori synthetic to 'how is logical certainty possible?' [Quine]

10. Modality / B. Possibility / 1. Possibility

22518

The actual must be possible, because it occurred [Aristotle]

10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity

15377

Definite descriptions pick out different objects in different possible worlds [Fitting]