consider (ℝ,τ) , where τ={∅}∪{u⊆ℝ:{-π,π}⊆u}. Is [-4.4] open in (ℝ,τ) ? Justify your answer Is (-3,3) closed in (ℝ,τ) ? Justify your answer
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Originally Posted by blbl consider (ℝ,τ) , where τ={∅}∪{u⊆ℝ:{-π,π}⊆u}. Is [-4.4] open in (ℝ,τ) ? Justify your answer Is (-3,3) closed in (ℝ,τ) ? Justify your answer This is starting to get ridiculous. What do you think??? You still haven't responded as to what you really mean by this specific topology!
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