Upward Compatibility between OWL Species o Every legal oWL Lite ontology is a legal OWL DL ontology Every legal oWL DL ontology is a legal OWL Full ontology o Every valid OWL Lite conclusion is a valid OWL DL conclusion o Every valid OWL DL conclusion is a valid OWL Full conclusion 17 Chapter 4 A Semantic Web primerChapter 4 A Semantic Web Primer 17 Upward Compatibility between OWL Species ⚫ Every legal OWL Lite ontology is a legal OWL DL ontology ⚫ Every legal OWL DL ontology is a legal OWL Full ontology ⚫ Every valid OWL Lite conclusion is a valid OWL DL conclusion ⚫ Every valid OWL DL conclusion is a valid OWL Full conclusion