Is R-Z(Real numbers - integers) an open topology?

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asked Feb 8, 2018 207k views

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Yenssen · Answer 1 · 2018-02-12T02:22:12+0000

R−Z is a union of countable many open sets so R−ZR−Z is open
I actually didn't know that I had to look it up and got my answer from another site, oppsie doopsies

Is R-Z(Real numbers - integers) an open topology?-example-1

Is R-Z(Real numbers - integers) an open topology?

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