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Ben Crowell earned this badge 6 times |
apr 21 at 15:53
Non-ZFC set theory and the hyperreals: problem solved?
oct 13 at 16:03
Defining the derivative without limits
feb 10 '12 at 20:45
Proof that $\int x^x dx$ can't be done in terms of elementary functions?
feb 10 '12 at 18:50
How do experts mentally classify indefinite integrals?
jul 22 '11 at 9:30
Defining a manifold without reference to the reals
