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Mathematics 16 Online
OpenStudy (perl):

need help with cluster point definition. According to yahoo answers, 1 is a cluster point of the sequence 1,-1,1,-1,1,-1,... but the definition of a cluster point doesnt seem to fit here. 'a' is a cluster point if for any delta>0 there exists an element inside (a-delta,a+delta) different from a

OpenStudy (perl):

wait, you there ?

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