Notation for discrete interval

Asked Sep 19 '16 at 17:01

Active Sep 19 '16 at 17:01

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The interval between to numbers $[a,b]$ includes all the real numbers between and include $a$ and $b$. Is there a similar notation for a discrete interval, lets say for $\{a,a+1,a+2,\cdots,b-2, b-1, b\}$?

asked Sep 19 '16 at 17:01

Frank Vel

5,339

How about $S={n\in\mathbb{Z}|a \leq n \leq b}$? – barak manos Sep 19 '16 at 17:02
How about $[a,b] \cap \mathbb Z$? – Rodrigo de Azevedo Sep 19 '16 at 17:03
1

Usually $a,\ldots,b$ is OK – Canis Lupus Sep 19 '16 at 17:06

Notation for discrete interval

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