- 6 For N 2 1 Let An Be The Open Interval 15 N N A Show That 0 N An 0 0 N 1 B Show That 0 Is Not An Ope 1 (35.76 KiB) Viewed 10 times
6. For n 2 1, let An be the open interval (-15). n n. a. Show that 0 n An = {0}. 0- = n=1 b. Show that {0} is not an ope
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6. For n 2 1, let An be the open interval (-15). n n. a. Show that 0 n An = {0}. 0- = n=1 b. Show that {0} is not an ope
6. For n 2 1, let An be the open interval (-15). n n. a. Show that 0 n An = {0}. 0- = n=1 b. Show that {0} is not an open set. This is an example showing that not every intersection of open sets is an open set.
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