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No TPTP formula. May not be expressible in strict first order. Merge.kif 17831-17831 ClosedTwoDimensionalFigure est une sous-classe de TwoDimensionalFigure
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 4871-4871 Polygon est une sous-classe de ClosedTwoDimensionalFigure


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