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 extended_real_number_line [2013/08/16 15:28]nikolaj extended_real_number_line [2014/03/21 11:11] (current) Both sides previous revision Previous revision 2013/08/16 15:28 nikolaj 2013/08/16 15:28 nikolaj 2013/08/16 15:27 nikolaj 2013/08/04 21:07 nikolaj 2013/08/04 16:44 nikolaj 2013/08/04 16:44 nikolaj created Next revision Previous revision 2013/08/16 15:28 nikolaj 2013/08/16 15:28 nikolaj 2013/08/16 15:27 nikolaj 2013/08/04 21:07 nikolaj 2013/08/04 16:44 nikolaj 2013/08/04 16:44 nikolaj created Line 1: Line 1: ===== 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]] 