23 июл. 2013 г. · In topological contexts (including descriptive set theory) the irrationals are often denoted by ωω (or occasionally NN), since in the topology ... |
6 июн. 2015 г. · R−Q seems to be much more suitable, since the set of irrational numbers are just that: real numbers which are not rational. |
24 июн. 2016 г. · And in contexts in which the irrationals actually are a very natural object, they're likely to be denoted by ωω, NN, ωω, or NN, since those ... |
28 мая 2021 г. · There is no standard symbol for the irrationals. People usually write R∖Q if one is needed. Likewise, the ... |
19 сент. 2020 г. · I've tried playing with the idea of nQ being a shorthand for limn→∞nQ, since an irrational number isn't a multiple of any rational number. |
2 мая 2017 г. · There is no universal symbol for the purely imaginary numbers. Many would consider I or iR acceptable ... |
5 февр. 2020 г. · This defines a real number, which we will denote as √2, and which corresponds to no rational. This is our first irrational number. |
22 мая 2015 г. · There is no standard notation for the set of irrational numbers, but the notations ˉQ, R−Q, or R∖Q, where the ¯, minus sign, or backslash ... |
12 июн. 2014 г. · The closest thing you can get is the floor function. Where the "rational" or integer part of x would be the largest integer less than or equal to x. |
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