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

Formal Language: 



Term 1: Term 2:

(subclass Cement CompoundSubstance) Economy.kif 4806-4806 Cement is a subclass of compound substance


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