constructible

constructible
a) That can be constructed in a plane using only a pair of compasses and a straightedge.
b) That the line segment joining it to the origin can be constructed using only a pair of compasses and a straightedge.

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  • constructible — [ kɔ̃stryktibl ] adj. • 1863; du rad. du lat. constructum, de construere 1 ♦ Où l on a le droit de construire un édifice. Terrain constructible. 2 ♦ Géom. Qui peut être tracé à la règle et au compas (en parlant d une figure). Droite, polygone… …   Encyclopédie Universelle

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  • Constructible set — In mathematics, constructible set may refer to either: a notion in Gödel s constructible universe. a union of locally closed set in a topological space. See constructible set (topology). This disambiguation page lists articles associated with the …   Wikipedia

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