MAT334--2020F > Chapter 1

Section 1.3 Q15

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Jessica Long:
I can see from the visual of the sets that D1 ∩ D2 is not connected, but I'm not sure how to prove this. I figure we would start by assuming the set is connected and there exists a polygonal curve in the set between some two points and then trying to derive a contradiction, but I don't know how to show the contradiction in this case.

Victor Ivrii:
Simple observation is enough

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