Timeline for Predicate Logic - Universal Introduction
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 30, 2018 at 14:11 | comment | added | Frank Hubeny | @GrahamKemp Yes, that would work. I could use the negative introduction rule to get the result. | |
| Jul 30, 2018 at 14:04 | comment | added | Graham Kemp | There is no need for double negation elimination; just assume the universal, derive the contradiction, then introduce the negation. | |
| Jun 30, 2018 at 23:58 | comment | added | ephemeron | Your explanations have been super beneficial - actually ended up helping me on some other problems I didn't post here. Thanks so much! | |
| Jun 30, 2018 at 6:53 | history | answered | Frank Hubeny | CC BY-SA 4.0 |