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. Transportation.kif 2929-2929 Water transportation system is a subclass of transit system
No TPTP formula. May not be expressible in strict first order. Transportation.kif 2939-2939 Canal system is a subclass of water transportation system


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