Term Intersection : Welcome guest : log in		 [  Home |  Graph |  ]  KB:  Language:   

Formal Language: 



Term 1: Term 2:

No TPTP formula. May not be expressible in strict first order. Merge.kif 14138-14138 Fresh water area is a subclass of water area
No TPTP formula. May not be expressible in strict first order. Geography.kif 5473-5473 River is a subclass of fresh water area
No TPTP formula. May not be expressible in strict first order. Geography.kif 5624-5624 Reservoir is a subclass of fresh water area
No TPTP formula. May not be expressible in strict first order. Geography.kif 5674-5674 Creek is a subclass of fresh water area


Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is open source software produced by Articulate Software and its partners