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No TPTP formula. May not be expressible in strict first order. Merge.kif 17795-17795 Two dimensional figure is a subclass of geometric figure
No TPTP formula. May not be expressible in strict first order. Merge.kif 17801-17801 Open two dimensional figure is a subclass of two dimensional figure
No TPTP formula. May not be expressible in strict first order. Merge.kif 17809-17809 Closed two dimensional figure is a subclass of two dimensional figure


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