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

Formal Language: 



Term 1: Term 2:

(subclass Crystal Substance) Geography.kif 7110-7110 Crystal is a subclass of substance
(subclass Snowflake Crystal) Weather.kif 3011-3011 Snowflake is a subclass of crystal


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