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Circular reasoning is providing evidence for the validity of an assertion, which assumes the validity of the assertion.

General forms include "A is true because A is true" or "A is true because B is true, and B is true because A is true".

Often used as a mechanism to prevent an assertion from being challenged or questioned, or to "win" a debate by sending it round and round in circles.
Examples of circular reasoning:

"I'm right because I'm right."

"There isn't a problem with the rule, because if everyone obeyed it there wouldn't be a problem."

"Piracy is wrong because it's against the law, and it's against the law because it's wrong."

"X is stupid because he's an idiot."
by fwe22 May 09, 2006
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Aug 8 Word of the Day
A method of guessing on a multiple choice test that involves looking at the position of the second hand. If the hand is between 12 and 3 the guess is A. If the hand is between 3 and 6 the guess is B. Between 6 and 9 guess C. Between 9 and 12 guess D.
I passed my test! Thanks to the Clock Method
by ET4444 November 12, 2007
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Using a claim as evidence for itself, so that you didn't explain why your claim is true in any way other than by stating your claim in a slightly different way.
by D12434132 September 28, 2018
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