Timeline for Can an ultrapower be undone by class forcing?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 15, 2017 at 18:12 | history | edited | Joel David Hamkins | CC BY-SA 3.0 |
the forcing should preserve ZFC
|
| Jan 15, 2017 at 16:27 | vote | accept | Noah Schweber | ||
| Jan 15, 2017 at 15:57 | history | answered | Joel David Hamkins | CC BY-SA 3.0 |