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Let 𝑋 be a topological space and 𝑥0 ∈ 𝑋. Let S = {𝐵 ⊆ 𝑋 | 𝑥0 ∈ 𝐵 and 𝐵 is connected}. Let𝐴 =Ø𝐵∈S𝐵.Show that 𝐴 is closed.Can u solve it ?
Nice. Where did you find this problem?
It is crazy
Thanks!)
It models population ?
Let 𝑋 be a topological space and 𝑥0 ∈ 𝑋. Let S = {𝐵 ⊆ 𝑋 | 𝑥0 ∈ 𝐵 and 𝐵 is connected}. Let
𝐴 =
Ø
𝐵∈S
𝐵.
Show that 𝐴 is closed.
Can u solve it ?
Nice. Where did you find this problem?
It is crazy
Thanks!)
It models population ?