http://www.estrellaproject.org/lkif-core/expression.owl#Expression
Class expression:Expression

Class Axioms
owl:equivalentClass expression:medium some expression:Medium
rdfs:subClassOf expression:stated_by all expression:Communicated_Attitude expression:stated_by some expression:Communicated_Attitude expression:medium all expression:Medium expression:Proposition

Other Properties
rdf:type owl:Class

References

as owl:equivalentClass (expression:Declaration, expression:Promise, expression:Communicated_Attitude, expression:Statement_In_Writing, expression:Medium, expression:Assertion) as rdfs:domain (expression:promised_by, expression:asserted_by, expression:medium, expression:declared_by) as rdfs:range (expression:declares, expression:promises, expression:bears, expression:asserts) as rdfs:subClassOf (norm:Legal_Expression, expression:Document, expression:Communicated_Attitude, expression:Argument, expression:Medium, rules:Rule, rules:Negated_Atom, rules:Atom)