Combining Texts

Ideas for 'Posterior Analytics', 'First-Order Modal Logic' and 'Prospects: Proletarian Revolution?'

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5 ideas

10. Modality / A. Necessity / 2. Nature of Necessity

12381

What is necessary cannot be otherwise [Aristotle]

10. Modality / A. Necessity / 3. Types of Necessity

1690	A stone travels upwards by a forced necessity, and downwards by natural necessity [Aristotle]

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

13725

□ must be sensitive as to whether it picks out an object by essential or by contingent properties [Fitting/Mendelsohn]

13731

Objects retain their possible properties across worlds, so a bundle theory of them seems best [Fitting/Mendelsohn]

10. Modality / E. Possible worlds / 3. Transworld Objects / c. Counterparts

13726

Counterpart relations are neither symmetric nor transitive, so there is no logic of equality for them [Fitting/Mendelsohn]