Tuesday, 8 April 2014

cardinals - Do the real numbers and the complex numbers have the same cardinality?

So it's easy to show that the rationals and the integers have the same size, using everyone's favorite spiral-around-the-grid.




Can the approach be extended to say that the set of complex numbers has the same cardinality as the reals?

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real analysis - How to find limhrightarrow0fracsin(ha)h

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