(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Show that the union of convex sets does not have to be convex.

2. Relevant equations

3. The attempt at a solution

Is it enough to just show a counterexample? Or is that not considered a complete proof? My example is...S = {1} and T = {2}.

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# Union of Convex Sets Proof

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