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extended_real_number_line [2013/08/16 15:27] nikolaj |
extended_real_number_line [2014/03/21 11:11] |
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- | ===== Extended real number line ===== | ||
- | ==== Definition ==== | ||
- | | @#55EE55: $ \overline{\mathbb R} \equiv \mathbb R\cup\{-\infty,\infty\} $ | | ||
- | >todo: model $-\infty$ and $\infty$ | ||
- | |||
- | ==== Ramifications ==== | ||
- | === Reference === | ||
- | Wikipedia: [[http://en.wikipedia.org/wiki/Extended_real_number_line|Extended real number line]] | ||
- | |||
- | ==== Context ==== | ||
- | Set | ||
- | === Requirements === | ||
- | [[Real number]] |