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. Media.kif 1128-1128 Optical disc is a subclass of digital data storage device
No TPTP formula. May not be expressible in strict first order. Media.kif 1154-1154 Compact disc is a subclass of optical disc
No TPTP formula. May not be expressible in strict first order. Media.kif 1187-1187 Blu ray disc is a subclass of optical disc
No TPTP formula. May not be expressible in strict first order. Media.kif 1255-1255 DVD is a subclass of optical disc


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