vocabulary <http://ua.be/sdo2l/vocabulary/formalisms/system#> as system {
	extends <http://www.w3.org/2000/01/rdf-schema#> as rdfs
	extends <http://ua.be/sdo2l/vocabulary/base/base#> as base
	
	@rdfs:comment "A system is the element to be designed."
	concept System < base:IdentifiedThing 
	
}