(=>
(instance ?A CentralAngle)
(exists (?L ?L2 ?C ?R)
(and
(equal ?L ClosedLineSegment)
(sideOfFigure ?L ?A)
(equal ?L2 ClosedLineSegment)
(sideOfFigure ?L2 ?A)
(equal ?C Circle)
(geometricPart ?A ?C)
(pointOfIntersection ?L ?L2
(CenterOfCircleFn ?C))
(lineMeasure ?L ?R)
(lineMeasure ?L2 ?R)
(radius ?C ?R)))) |
Mid-level-ontology.kif 5894-5908 |
If X is an instance of central angle, then All of the following hold: (1) there exist Y, Z,, , W (2) V such that equal Y (3) closed line segment (4) the size of X is Y (5) equal Z (6) closed line segment (7) the size of X is Z (8) equal W (9) circle (10) W is a geometric part of X (11) Y is point of intersection Z for the center of circle of W (12) V is a line measure of Y (13) V is a line measure of Z (14) the radius of W is V |