Combining Texts

Ideas for 'Intensional Logic', 'Topics' and 'lectures'

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2 ideas

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

12259

Reasoning is when some results follow necessarily from certain claims [Aristotle]

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

15377

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