It sure is common, but it's ignorant and I will always hate it. Knowing what "begging the question" means, and of course recognizing instances of it, is essential to a well-rounded education-- and independence of thought.
"Are you still beating your wife" is the classic instance of begging the question, which is to say asking a "loaded" question. There is an unproven or otherwise unacceptable term in the form of the question, namely the premise that the person being questioned-- ever beat his wife in the first place.
"Do you rob banks" is a covertly or implicitly loaded question even though it is straightforward in form-- unless you are posing it to a criminal suspect. To ask such a question "out of the blue" presupposes that the topic is germane to the person you're asking, and that the answer could conceivably be yes. That is an implicit presupposition.
When you beg the question, you also raise a question-- in the above examples the questions that are invited are, "why do you assume I ever beat my wife," and "what makes you think I'm the type of person who'd even consider robbing a bank-- is it a viable option in
your lifestyle?"
The hotel clerk treats you rudely and asks you to prepay-- the man in line just ahead of you was fawned over and shown to his room like he owned the place.
"Why do I have to pay in advance, when he didn't?"
"Because you have no luggage, and such people aren't to be trusted-- they tend to abscond without paying."
"But I did have luggage-- some niggers stole it while I wasn't watching."
"Sir, if you wasn't watching-- how come you know it was niggers?"
Fallacious reasoning tends to turn communication into a vicious cycle of tit-for-tat.
Here's the
site I usually recommend when the subject of begging the question arises on this forum. This fallacy is also called circular reasoning and vicious cycle, and goes by the Latin name
petitio principii.
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