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This textbook teaches calculus using the infinitesimal approach. To do rigorous infinitesimal calculus, you have to define the hyperreal number system. http://
by rms 19y ago
This textbook teaches calculus using the infinitesimal approach. To do rigorous infinitesimal calculus, you have to define the hyperreal number system.
http://theassayer.org/cgi-bin/asbook.cgi?book=770 http://theassayer.org/cgi-bin/asbook.cgi?book=770