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Noah Snyder earned this badge 4 times
oct 8 at 17:20Is 1 a prime number?
feb 29 '12 at 15:49What is larger — the set of all positive even numbers, or the set of all positive integers?
aug 16 '10 at 19:23Does .99999… = 1?
aug 8 '10 at 1:32Different kinds of infinities?