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There is a page named "Talk:Closed set" on Wikipedia
- infering anything from the fact that a set is open or closed. My intuition for closedness is that closed sets contain their "edges" For continuous spaces...8 KB (1,219 words) - 17:26, 30 January 2024
- $\delta$-Systeme. Here the author defines a $\sigma$ System to be a set of subsets of a set which is closed under the formation of countable unions, and the concept...3 KB (465 words) - 05:56, 2 February 2024
- the closed set will have a result within the set that is closed). This is different however different from what a "closed convex set" is (Closed convex...2 KB (364 words) - 00:10, 9 March 2024
- Baire set. On the one hand, it's supposed to be the same as a Borel set on a space like R. The set of rationals is a countable union of closed sets (namely...6 KB (911 words) - 23:20, 14 January 2024
- every closed set of Y is closed in X." at the end of the second paragraph: Forgive me if I'm mistaken, but in general, preimages of closed sets being...8 KB (1,261 words) - 03:52, 7 February 2024
- linked when a user searches for "closed". A few math examples: Closure (mathematics) Closed manifold Closed orbits Closed set --Wafulz 14:55, 14 June 2007...814 bytes (92 words) - 07:22, 16 September 2014
- October 2007 (UTC) The open-closed principle by Meyer does not say what the article suggests. It gives a different meaning of "closed", namely "available for...7 KB (965 words) - 17:54, 6 February 2024
- Suppose the family of sets is A, B, and C with A = {*}, B = ∅, and C = ∅. This family is clearly closed under unions, and not all the sets in the family are...5 KB (636 words) - 19:16, 22 June 2024
- Talk:Extension topology (redirect from Closed extension topology)space as a closed set. When you say "[by] defining the closed sets on Y* to be the closed sets on Y", do you really mean "defining the closed sets of Y* to...4 KB (659 words) - 00:30, 9 March 2024
- recursive sets, and because recursive sets are closed under intersections, unions, and complements, they form a boolean algebra. Computably enumerable sets are...10 KB (1,423 words) - 23:51, 8 March 2024
- t w? Set theory version of De Morgan's laws? Some countability property of metric spaces? Open set = union of increasing sequence of closed sets is there...19 KB (3,012 words) - 15:54, 20 March 2024
- _{0}}} closed sets, since each closed set is the complement of a unique open set and vice versa. Since every Fσ is determined by an ω-sequence of closed sets...34 KB (5,559 words) - 01:41, 6 February 2024
- A function is closed in the topological sense if it sends closed sets to closed sets. Is the notion of closed operator in the functional analysis sense...2 KB (224 words) - 17:26, 30 January 2024
- Talk:Closure (topology) (section Closed set)sets. (And someday I'll probably edit the article on dense sets to mention them.) -- Toby Bartels 2002/05/08 A separate article is titled closed set....6 KB (1,022 words) - 17:30, 30 January 2024
- have the indiscrete topology so that one point sets cannot be closed. Proof of 3: Suppose a one point set is open relative to the product of arbitrarily...29 KB (4,693 words) - 11:10, 7 February 2024
- September 2012 (UTC) List of Case Closed episodes (season 1) → Case Closed (season 1) – The redirect page is Case Closed season 1. I don't know why precision...6 KB (753 words) - 19:29, 29 March 2024
- important result in analysis and geometry states that any closed subset of Rn is the zero set of a smooth function". Does this theorem have a name? Is...804 bytes (122 words) - 06:07, 9 March 2024
- perfect set is not a synonym for a derived set, nor is perfect set closely tied to the terminology derived set. A perfect set is a closed set with no...15 KB (2,341 words) - 00:16, 9 March 2024
- 12 May 2015 (UTC) Behind closed doors (football) → Behind closed doors (sport) – This article contains details of behind closed doors games for sports other...5 KB (655 words) - 22:59, 27 January 2024
- clopen set might make the idea comprehensible ? Theresa knott 06:46 25 May 2003 (UTC) If you look at the articles on Open sets and Closed sets, you will...14 KB (1,941 words) - 22:23, 17 July 2024
- Trigrammaton is a redirect to Tetragrammaton and that is an indicator that this set-up should be mirrored on Wikiquote. To a large degree I am reasonably neutral
- The following discussion is closed and will soon be archived: This discussion relates to the deleted version of this etext. Shouldn't the translation be
- "for every closed set U, and open set V containing U, there is a set S containing U whose closure is within V." This statement is void, since you can