Define τ⊂ P(ℝ) as follows:

τ={φ}∪{u⊆ℝ:{-π,π}⊆u} .

prove that τ is a topology on ℝ .

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- May 25th 2010, 11:01 PMblblprove that τ is the topology on ℝ
Define τ⊂ P(ℝ) as follows:

τ={φ}∪{u⊆ℝ:{-π,π}⊆u} .

prove that τ is a topology on ℝ . - May 25th 2010, 11:29 PMDrexel28