Question: Determine whether or not the given set is (a) open, (b) connected, and (c) simply-connected. {(x, y) | (x, y) (2, 3)}

Determine whether or not the given set is (a) open, (b) connected, and (c) simply-connected.

{(x, y) | (x, y) ≠ (2, 3)}

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