I want to denote the set of all odd positive integers. Is there a specific set notation for this?
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One would be $\mathbb{N}-2\mathbb{N}$ but I feel like there's a better one. – Semiclassical Sep 23 '14 at 17:16
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5I use $2\Bbb Z+1$ for all odd integers, but ymmv as there is no standardized notation, at least not for positives. You can do like $2\Bbb N -1$ also, I suppose, or $(2\Bbb Z+1)^+$ or something, but they'll all be gimmicky. – Adam Hughes Sep 23 '14 at 17:16
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1$1+2\mathbb N_0$ comes to mind. – Jonas Dahlbæk Sep 23 '14 at 17:16
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How about $\mathbb{Z}^+ \complement 2\mathbb{Z}$? – Sep 23 '14 at 18:57