https://wiki.tachyony.co.uk/w/api.php?action=feedcontributions&feedformat=atom&user=203.160.80.146 2026-07-09T05:06:38Z User contributions MediaWiki 1.44.0 https://wiki.tachyony.co.uk/w/index.php?title=Constructibility&diff=75824 2019-04-11T20:35:45Z

<p>203.160.80.146: use clearer term</p> <hr /> <div>{{wiktionary|constructibility|constructible}}<br /> '''Constructibility''' or '''constructability''' may refer to:<br /> <br /> * [[Constructability]] or construction feasibility review, a process in construction design whereby plans are reviewed by others familiar with construction techniques and materials to assess whether the design is actually buildable<br /> * [[Constructible strategy game]], a tabletop strategy game employing pieces assembled from components<br /> <br /> == Mathematics ==<br /> * [[Compass-and-straightedge construction]]<br /> * [[Constructible point]], a point in the Euclidean plane that can be constructed with compass and straightedge<br /> * [[Constructible number]], a complex number associated to a constructible point<br /> * [[Constructible polygon]], a regular polygon that can be constructed with compass and straightedge<br /> * [[Constructible sheaf]], a certain kind of sheaf of abelian groups<br /> * [[Constructible set (topology)]], a finite union of locally closed sets<br /> * [[Constructible topology]], a topology on the spectrum of a commutative ring y in which every closed set is the image of Spec(''B'') in Spec(''A'') for some algebra ''B'' over ''A''<br /> * [[Constructible universe]], Kurt Gödel's model ''L'' of set theory, constructed by transfinite recursion<br /> * [[Constructible function]], a function whose values can be computed in a number of steps or a number of Turing-machine cells of order given by the function itself<br /> <br /> {{disambiguation}}<br /> [[Category:Mathematics disambiguation pages]]</div>

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