No, it is only rude to do it in a rude way or to gloat while doing it.
Prove them WRONG!
of course not! its manerly on your part for correcting them because it is rude for that person (in some circumstances) to not be able to pronounce your name right. And chances are that person didn't mean to, so kindly letting them know they are wrong is not rude.
In my opinion, yes, it's rude because a person invite someone contact her or him. Why refuse to reply? It's wrong.
Prove them wrong! Get a partner of the opposite sex.
No, it is not wrong telling someone to go to hell. It is however, looked at as being rude. Some people may say it out of frustration and then feel bad later.
Someone believes that someone cheated or the count was wrong or done wrong or something was done illegally. You better be able to prove it.
Prove Me Wrong was created in 1991.
The role is to protect someone and try to prove the other person wrong
no this is not rude
For a person to be guilty, someone has to prove with supportive reasons that the person did something wrong.
Prove You Wrong was created on 1991-09-24.
An experiment can prove they are wrong or right ...:)