I was browsing through Wikipedia today when I came across the definition of pretopological space Buy lanoxin without prescription, . The notion seemed very exotic until I thought of a family of examples, cheap lanoxin overnight delivery, Lanoxin in bangkok, which I'm christening ennui spaces.
A pretopological space prescribes for each point the set of (not-necessarily open) neighborhoods of that point, lanoxin discount. Cheap lanoxin, The set of neighborhoods of a given point are required to satisfy some natural axioms, but neighborhoods of one point can be completely unrelated to neighborhoods of another point, lanoxin sales. Order lanoxin no prescription required, A sequence in a pretopological space converges if for any neighborhood, the sequence eventually enters that neighborhood and never leaves it again, discount lanoxin no rx. A topological space can be turned into a pretopological space by taking as the set of neighborhoods of a point to be all sets that contain an open set that contain that point, buy lanoxin without prescription. Buy lanoxin canada, You can try to reverse the process by borrowing the characterization of the closure of a set in terms of sequences (or nets), but usually the topological space you construct will have a coarser notion of convergence than the pretopological space, buy lanoxin online australia. Lowest price lanoxin, An ennui space has the same underlying set as a metric space. A neighborhood of a point is any set that contains the unit ball around that point, lanoxin online review. Cheap lanoxin from canada, A sequence in an ennui space converges to a point if is guaranteed to be eventually within one unit of the point. Buy lanoxin without prescription, The mental image I have is that the sequence gets close to its destination, but then gets bored. If you try to construct a topology out of this space, lanoxin for sale, Cheap lanoxin no prescription, you get the indiscrete topology, where all sequences converge to all points, where to order lanoxin. Lanoxin online, Essentially, all information about the convergence properties of the ennui space are lost, cheap lanoxin from uk. Lanoxin online without a prescription, A practical example of an ennui space would be your computer whenever it simulates a convergent sequence of operations, such as numerical integration or Newton's method, buy lanoxin no prescription required. Lanoxin online without prescription, The computer gets within machine precision of the correct answer, and then stops to light up a Gauloise and discuss L'ÃŠtre et le nÃ©ant in a cafe.
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