consider the following set of numbers

When it comes to elements, I would not consider {2} as a set that contains 2.
 
When it comes to elements, I would not consider {2} as a set that contains 2.
is there any contradiction with what you have just stated and what Dr Peterson wrote:
quote ''2 is an element of the set, so the second statement is false. (2 is listed both as a free element and as an element of a set.)''.
in the set given, so you think 2 does not belong to set A?
 
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