Simple Knowledge base Browser - TwoDimensionalFigure

Simple Browser : Welcome guest : log in

[ Home | Graph | ] KB: Language:
Formal Language:

Sigma KEE - TwoDimensionalFigure

KB Term:

二維圖

The class of GeometricFigures that have position and an extension along two dimensions, viz. plane figures like circles and polygons.

Relationships
Parents	幾何圖	The class of all geometric figures, i.e. the class of all abstract, spatial representations. The instances of this class are GeometricPoints, TwoDimensionalFigures or ThreeDimensionalFigures.
Children	封閉的二維圖	Any TwoDimensionalFigure which has a well defined interior and exterior.
	開放二維圖	The class of TwoDimensionalFigures that are not ClosedTwoDimensionalFigures.