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. emotion.kif 1221-1221 Angry facial expression is a subclass of emotional facial expression


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