BFCS+Week+1

=Lesson 1: Number Types=

Pythagorus thought the whole universe could be explained mathematically -- "all is number." Numbers themselves were complete in his view and any mathematical explanation would be based on those complete numbers or some ratio of such. His own theorem proved to be his undoing (at least philosophically). One of his disciples determined that a right triangle with both legs one unit long had a hypotenuse with a length of the square root of two. He determined that no pair of rational numbers could produce that value. You can read further on your own, but it seems that his discovery proved fatal -- not for Pythagorus, but for himself.

In any case, it turns out the world is not as easily ordered as Pythagorus thought. Take a look at the presentation below to see how numbers are classified today.

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Click here to see a screencast on how to categorize a number.

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