Is the interior of a set S equal to an empty set whenever S is not a subset of the reals?

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... so it is not a subset of S. ... the interior of S is empty, ... that means int S equals the empty set. By the same reasoning, ... - Read more

A point x is an interior point of a subset A of X ... the boundary of X is the empty set. If E ⊂ A ⊂ X, then it is not ... 14 Rademacher’s Theorem Let G be an ... - Read more

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Is the interior of a set S equal to an empty set whenever S is not a subset of the reals? resources

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Re: When are two reals not equal? - Tech-Archive.net

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Interior (topology) : definition of Interior (topology ...

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Math 396. Interior, closure, and boundary Interior and closure

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