Timeline for A question regarding a remark of John Horton Conway
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 28, 2012 at 8:16 | comment | added | Stefan Geschke | Continuu=ing Emil's comment: Collections of classes can be dealt with in NGB in the same way as classes are handled in ZFC. | |
| Aug 27, 2012 at 15:24 | comment | added | Emil Jeřábek | @Ralph: Collections of classes are not objects of the theory, they can only be manipulated indirectly by treating them as shorthands for their defining formulas. | |
| Aug 27, 2012 at 15:14 | comment | added | Ralph | If the collection of all gaps is not a class, is there another artifact in NGB that comprises classes much the same way as classes comprise sets ? | |
| Aug 27, 2012 at 12:15 | history | answered | Emil Jeřábek | CC BY-SA 3.0 |