Timeline for Can BNF consist of zero rules?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 21, 2017 at 18:52 | comment | added | David Richerby | "Useless" is an opinion, but it is incorrect to say that the empty grammar defines no language. | |
| Apr 21, 2017 at 15:06 | comment | added | rici | It defines the empty language, which is a language (and even a useful one). | |
| Apr 21, 2017 at 14:45 | review | First posts | |||
| Apr 21, 2017 at 18:52 | |||||
| Apr 21, 2017 at 14:44 | history | answered | PMar | CC BY-SA 3.0 |