Prove that (ℝ,τ_{√2})is T₀ but not T₁,T₂, , Regular , normal , where τ_{√2}={u∩√2:u∈τ}

Printable View

- May 24th 2010, 11:25 PMblblseparation axiom
Prove that (ℝ,τ_{√2})is T₀ but not T₁,T₂, , Regular , normal , where τ_{√2}={u∩√2:u∈τ}

- May 24th 2010, 11:30 PMDrexel28
- May 25th 2010, 01:37 AMHallsofIvy
For that matter, what does it mean to intersect a set with a number?