subbase

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Related to Subbasis: SUBASE, Alexander subbase theorem
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the lowest molding of an architectural base or of a baseboard

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Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
(a) A subbasis for the lower Vietoris topology, [tau]([V.sup.-]), consists of sets of the form [U.sup.-] for all open subsets U of X.
(b) A subbasis for the upper Vietoris topology, [tau]([V.sup.+]), consists of sets of the form [U.sup.+] for all open subsets U of X.
(c) A subbasis for the upper Fell topology, [tau]([F.sup.+]), consists of sets of the form [U.sup.+] for all cocompact subsets U of X.
The natural neutrosophic topology on [R.sub.I](I) is generated from the subbasis [mathematical expression not reproducible], respectively.
(c) For proving the neutrosophic continuity of E, consider any neutrosophic subbasis neighbourhood V of [??] in [([Y.sup.Z]).sup.X], i.e V is of the form [S.sub.K,W] where K is a neutrosophic compact subset of X and W is neutrosophic open in [Y.sup.Z].