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Infinity Comes in Different Sizes

Posted in Mathematics by Kurt on July 23rd, 2007

Mathematically speaking, some infinities are bigger than others, such as the infinity of numbers with decimals in them exceeding that of counting numbers (1,2,3,4…). The easy introduction at Sciam. A fact proven already in the 19th century by Georg Cantor using set theory. See e.g. also Cantor’s theorem. Or you might like to read up on infinity.

Isn’t mathematics amazing ?

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