How to find chain in length of $\displaystyle 2^{\aleph_0}$ in $\displaystyle (P(\mathbb{N}), \subseteq )$.

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- Dec 7th 2012, 06:27 AMAlso sprach ZarathustraChain in (P(\mathbb{{N}, \subseteq).
How to find chain in length of $\displaystyle 2^{\aleph_0}$ in $\displaystyle (P(\mathbb{N}), \subseteq )$.