If I want to write 1,2,3,4 and 5 in set notation I would (I presume) write {x E N : 1 <= x <= 5}. But how do I write 1,1.5,2,2.5,3,3.5,4,4.5,5 in set notation?
If I want to write 1,2,3,4 and 5 in set notation I would (I presume) write {x E N : 1 <= x <= 5}. But how do I write 1,1.5,2,2.5,3,3.5,4,4.5,5 in set notation?
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Originally Posted by ErikaAnderssen 
