Recent content by Mister Eric

  1. M

    Help finishing connectedness proof.

    Been having trouble with connectedness. Tried out a problem to practice and not sure how to finish it. The problem is this:Let A and B be closed subsets of the space X. If A U B and A n B are connected, so also are A and B. Show by counter-example that both A and B must be closed, i.e., if one...
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