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No TPTP formula. May not be expressible in strict first order. Merge.kif 5819-5819 子類 GraphElement and Proposition
No TPTP formula. May not be expressible in strict first order. Merge.kif 5832-5832 子類 GraphNode and GraphElement
No TPTP formula. May not be expressible in strict first order. Merge.kif 5842-5842 子類 GraphArc and GraphElement


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