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No TPTP formula. May not be expressible in strict first order. Geography.kif 2674-2674 Erosion is a subclass of removing
No TPTP formula. May not be expressible in strict first order. Geography.kif 2675-2675 Erosion is a subclass of geological process
No TPTP formula. May not be expressible in strict first order. Geography.kif 2945-2945 Soil erosion is a subclass of erosion


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