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extended_real_number_line [2013/08/16 15:28] nikolaj |
extended_real_number_line [2014/03/21 11:11] (current) |
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===== Extended real number line ===== | ===== Extended real number line ===== | ||
- | ==== Definition ==== | + | ==== Set ==== |
- | | @#55EE55: $ \overline{\mathbb R} \equiv \mathbb R\cup\{-\infty,\infty\} $ | | + | | @#55EE55: postulate | @#55EE55: $ \overline{\mathbb R} \equiv \mathbb R\cup\{-\infty,\infty\} $ | |
>todo: model $-\infty$ and $\infty$ | >todo: model $-\infty$ and $\infty$ | ||
- | ==== Ramifications ==== | + | ==== Discussion ==== |
- | === Reference === | + | ==== Reference ==== |
Wikipedia: [[http://en.wikipedia.org/wiki/Extended_real_number_line|Extended real number line]] | Wikipedia: [[http://en.wikipedia.org/wiki/Extended_real_number_line|Extended real number line]] | ||
- | ==== Context ==== | + | ==== Parents ==== |
- | === Requirements === | + | === Context === |
[[Real number]] | [[Real number]] |