Combining Texts

All the ideas for 'A Theory of Conditionals', 'Paradoxes of the Infinite' and 'Reference and Contingency'

expand these ideas     |    start again     |     specify just one area for these texts

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6 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory

9987	An aggregate in which order does not matter I call a 'set' [Bolzano]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite

10856

A truly infinite quantity does not need to be a variable [Bolzano]

10. Modality / B. Possibility / 5. Contingency

14895

'Superficial' contingency: false in some world; 'Deep' contingency: no obvious verification [Evans, by Macià/Garcia-Carpentiro]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

14286

In nearby worlds where A is true, 'if A,B' is true or false if B is true or false [Stalnaker]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

14285

A possible world is the ontological analogue of hypothetical beliefs [Stalnaker]

10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation

11881

Rigid designators can be meaningful even if empty [Evans, by Mackie,P]