Combining Texts

All the ideas for 'Changes in Events and Changes in Things', 'Barcan Formulae' and 'Review of Frege's 'Grundlagen''

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

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4 ideas

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

15380

Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / c. Fregean numbers

9992	The 'extension of a concept' in general may be quantitatively completely indeterminate [Cantor]

7. Existence / D. Theories of Reality / 8. Facts / b. Types of fact

15201

That Queen Anne is dead is a 'general fact', not a fact about Queen Anne [Prior,AN]

27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series

22899

'Thank goodness that's over' is not like 'thank goodness that happened on Friday' [Prior,AN]