| Quadrilateral
| | parallelogram, quadrangle, quadrilateral, tetragon, trapezium, trapezoid |
| appearance as argument number 1 |
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| (documentation Quadrilateral EnglishLanguage "Any four-sided Polygon.") | Mid-level-ontology.kif 5220-5220 | |
| (externalImage Quadrilateral "http://upload.wikimedia.org/wikipedia/commons/ thumb/ d/ d4/ Square_diagonals.svg/ 250px-Square_diagonals.svg.png") | pictureList.kif 1223-1223 | |
| (subclass Quadrilateral Polygon) | Mid-level-ontology.kif 5219-5219 |
| appearance as argument number 2 |
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| (subclass Rectangle Quadrilateral) | Mid-level-ontology.kif 5226-5226 | |
| (termFormat EnglishLanguage Quadrilateral "quadrilateral") | domainEnglishFormat.kif 8471-8471 |
| antecedent |
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| (=> (instance ?QUAD Quadrilateral) (equal (CardinalityFn (KappaFn ?SIDE (sideOfFigure ?SIDE ?QUAD))) 4)) |
Mid-level-ontology.kif 5222-5224 |
| consequent |
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| (=> (instance ?X FourPosterBed) (exists (?SHAPE) (and (attribute ?X ?SHAPE) (instance ?SHAPE Quadrilateral) (forall (?CORNER) (=> (and (pointOfIntersection ?SIDE1 ?SIDE2 ?CORNER) (sideOfFigure ?SIDE1 ?SHAPE) (sideOfFigure ?SIDE2 ?SHAPE) (not (equal ?SIDE1 ?SIDE2))) (exists (?POST ?FLOOR) (and (meetsSpatially ?CORNER ?POST) (instance ?POST Artifact) (instance ?FLOOR Floor) (orientation ?BED ?FLOOR On) (orientation ?POST ?FLOOR Vertical)))))))) |
Mid-level-ontology.kif 4550-4569 |
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