19. Let X be a topological space and let Y be a subset of X. Check that
the so-called subspace topology is indeed a topology on Y.
19. Let X be a topological space and let Y be a subset of X. Check that the so-called subspace topology is indeed a topology of Y.
(question is also included in attachment)
A topological space is investigated. The solution is detailed and well presented. The response received a rating of "5" from the student who posted the question.