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Question 7. (10 pts, each) A Give a precise argument that proves for any two open sets A and B their union AUB is also a
Posted: Thu May 12, 2022 6:59 am
by answerhappygod
- Question 7 10 Pts Each A Give A Precise Argument That Proves For Any Two Open Sets A And B Their Union Aub Is Also A 1 (25.92 KiB) Viewed 31 times
Question 7. (10 pts, each) A Give a precise argument that proves for any two open sets A and B their union AUB is also an open set. a B. Recall that a set S S R is a closed set if its complement 5 is an open set. Give a precise argument that for any real numbers a, b, if a < b, then the closed interval [a, b] is a closed set. You may use part A of question 7 and parts Cand D from question 6 in your argument.