Natural Density

From: Theorist (Alexey007_at_hotmail-dot-com.no-spam.invalid)
Date: 11/08/04 

Date: 8 Nov 2004 12:27:47 -0600

Suppose we have two subsets A and B of the natural numbers, such that

lim (N->00) #{n in A, n<=N}/N and
lim (N->00) #{n in B, n<=N}/N

exist.

Does the same necessarily hold for the intersection of A and B?

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