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

Formal Language: 



Term 1: Term 2:

(subclass Fuel Substance) Mid-level-ontology.kif 1652-1652
(subclass FossilFuel Fuel) Mid-level-ontology.kif 1646-1646
(subclass Charcoal Fuel) Cars.kif 1670-1670


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