Your Questions About Set Theory

James asks…Is set theory good enough to be the foundation of mathematics?Set theory seems to be based on common sense. The simple fact related to the theory is that people can classify balls according to their colors , put the balls with the same color into one bag or perform other similar operation. But the set theory has not been tested rigorously in experimental science. Is set theory good enough to be the foundation of mathematics? What is the alternative to set theory, which can serve

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