OntoDL Statement: set

Syntax

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SetStatement	:=	set InternalReference SetOperator AssignedValue
AssignedValue	:=	InternalReference
	|	= QualifiedConcept
	|	= Text
SetOperator	:=	$= | -= | += | :=

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Semantics of the set-operator

Operator	Sematics	a=string b=string	a=object b=object	a=empty collection	a=collection b=string	a=collection b=object
$=	String Concatenation	ab	error	{ b }	{a1b, .. , anb}	error