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

Formal Language: 



Term 1: Term 2:

(subclass DownArrowKey ArrowKey) ComputerInput.kif 312-312 DownArrowKey รจ una sottoclasse di ArrowKey


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