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  • ...[[topological space]] locally [[homeomorphic]] to an [[open set | open]] [[ball]] in some [[Euclidean space]]. Informally, this says that if one were livi
    2 KB (237 words) - 20:08, 13 October 2019
  • The elements of <math>\mathcal{T}</math> are usually called ''open sets''. The subsets of <math>X</math> whose complements are elements of <m ...ed sets is closed, and that the intersection of any family of open sets is open.
    6 KB (1,142 words) - 14:38, 21 June 2008
  • An open box is constructed by starting with a rectangular sheet of metal <math>10</ The table below shows the distance <math>s</math> in feet a ball rolls down an inclined plane in <math>t</math> seconds.
    26 KB (3,952 words) - 10:55, 27 July 2024
  • ...eposited in bin <math>B</math> at step 7 of this process.) In which bin is ball <math>2024</math> deposited? ...rea of <math>\triangle ABC</math>. Then the domain of <math>f</math> is an open interval <math>(p,q)</math>, and the maximum value <math>r</math> of <math>
    14 KB (2,186 words) - 11:30, 15 November 2024