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- Jan 29, 2012

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I) P and Q are completely contained in the square, in R

^{2}, with vertices (1, 1), (1, -1), (-1, -1), and (-1, 1).

II) P contains the ponts (1, 1) and (-1, -1) while Q contains (-1, 1) and (1, -1).

III) P and Q are disjoint.

IV) P and Q are both connected sets.