Timeline for Do the empty set AND the entire set really need to be open?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
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| Mar 27, 2010 at 2:44 | history | edited | Pete L. Clark | CC BY-SA 2.5 |
added 117 characters in body
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| Mar 24, 2010 at 23:25 | comment | added | Harry Gindi | To elaborate, all that you've done is show that the empty set must be closed, from which it follows that the whole space should be open! A tautology! | |
| Mar 24, 2010 at 23:22 | comment | added | Harry Gindi | This is not true. | |
| Mar 24, 2010 at 23:18 | history | answered | jeremy | CC BY-SA 2.5 |