Let x be a space having no isolated points .prove that every open subset of x can have no isolated points
Well this is trivial, unless I'm missing something or the question's missing something: if some open subset A of X has an isolated point then that point is an isolated ppoint of X...
Well this is trivial, unless I'm missing something or the question's missing something: if some open subset A of X has an isolated point then that point is an isolated ppoint of X...