the subspace topology is equal to the discrete topology on Q
Huh? What open set in R contains no rational numbers but 0?
Yikes, you’re right. Oops. Wrote that part early on my way through the book. Removed the section because I don’t think it was too insightful anyways.
Huh? What open set in R contains no rational numbers but 0?
Yikes, you’re right. Oops. Wrote that part early on my way through the book. Removed the section because I don’t think it was too insightful anyways.