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Is R-Z(Real numbers - integers) an open topology?
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Is R-Z(Real numbers - integers) an open topology?
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Feb 8, 2018
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Is R-Z(Real numbers - integers) an open topology?
Mathematics
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Liam Kelly
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R−Z
is a union of countable many open sets so
R−Z
R−Z
is open
I actually didn't know that I had to look it up and got my answer from another site, oppsie doopsies
Yenssen
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Feb 12, 2018
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Yenssen
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