0. Introduction.- 1. Ontology.- 2. Semantics.- 3. The So-Called Logical Relations.- 4. The Traditional Lack of Distinction Between UF and UO.- 5. Merkmal-Eigenschaft.- 6 Function.- 7. The Idea of levels (Stufen) in the Philosophical Tradition.- 8. Wertverlauf.- 9. Existence.- 10. Number.- 11. The Main Results of the Present Investigation.- Index of Names.- Index of Subjects.