Timeline for Union of finite and non-regular language
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 23, 2015 at 20:43 | comment | added | Dave Clarke | @RickDecker: I'm watching the TV series Fargo. Very enjoyable. Maybe give that a go. | |
| Jan 23, 2015 at 20:10 | comment | added | Rick Decker | I understood that. I was being pedantic, having nothing better to do with my time this afternoon. | |
| Jan 23, 2015 at 20:08 | comment | added | Dave Clarke | @RickDecker: Unless I first assumed that $B$ is finite and was talking about if $C$ is not regular, then $C\cup B$ is not regular. | |
| Jan 23, 2015 at 20:04 | comment | added | Rick Decker | Strictly speaking, the contrapositive of "If $B$ is finite and $C$ is not regular, then $C\cup B$ is not regular" is "If $C\cup B$ is regular then $B$ is infinite or $C$ is regular". | |
| Jan 23, 2015 at 15:58 | history | answered | Dave Clarke | CC BY-SA 3.0 |