rdf:Property; The concept of a property. 
rdf:Statement; The class of RDF statements. 
rdf:List; The class of RDF Lists 
rdf:Bag; An unordered collection. 
rdf:Seq; An ordered collection. 
rdf:Alt; A collection of alternatives. 
rdfs:Resource; The class resource, everything. 
rdfs:Literal; This represents the set of atomic values, eg. textual strings. 
rdfs:XMLLiteral; The class of XML literals. 
rdfs:Class; The concept of Class 
rdfs:Datatype; The class of datatypes. 
rdfs:Container; This represents the set Containers. 
rdfs:ContainerMembershipProperty; The container membership properties, rdf:1, rdf:2, ..., all of which are sub-properties of 'member'. 
end relation RDF classes
 
Property isg
    comment,
    domain,
    range
RDF properties is relation with
    automatic=none,
    label=[Property name,comment,domain,range],
    format=[Property:1,comment:2,domain:3,range:4],
    meaning={
	$1 has comment="$2";
	$1 has domain=$3;
	$1 has range=$4;
	#$3 has $1 = $4;
    }
RDF properties is begin relation
#===============================
# Property name; comment; domain; range 
rdf:type; Indicates membership of a class; rdfs:Resource; rdfs:Class 
rdf:subject; The subject of an RDF statement.; rdf:Statement; rdfs:Resource 
rdf:predicate; the predicate of an RDF statement.; rdf:Statement; rdf:Property 
rdf:object; The object of an RDF statement.; rdf:Statement; not specified 
rdf:value; Identifies the principal value (usually a string) of a property when the property value is a structured resource; rdfs:Resource; not specified 
rdf:first; The first item in an RDF list. Also often called the head.; rdf:List; not specified 
rdf:rest; The rest of an RDF list after the first item. Also often called the tail.; rdf:List; rdf:List 

rdfs:subClassOf; Indicates membership of a class; rdfs:Class; rdfs:Class 
rdfs:subPropertyOf; Indicates specialization of properties; rdf:Property; rdf:Property 
rdfs:domain; A domain class for a property type; rdf:Property; rdfs:Class 
rdfs:range; A range class for a property type; rdf:Property; rdfs:Class 
rdfs:label; Provides a human-readable version of a resource name.; rdfs:Resource; rdfs:Literal 
rdfs:comment; Use this for descriptions; rdfs:Resource; rdfs:Literal 
rdfs:member; a member of a container; rdfs:Container; not specified 
rdfs:seeAlso; A resource that provides information about the subject resource; rdfs:Resource; rdfs:Resource 
rdfs:isDefinedBy; Indicates the namespace of a resource; rdfs:Resource; rdfs:Resource 
