Markku Keinänen is a Finnish analytic metaphysician specializing in trope theory and the ontology of properties and relations. His work critically examines whether relational tropes can adequately ground facts about similarity, instantiation, and structural complexity. He has contributed detailed formal analyses of trope-based ontologies and their limitations.
Developed sustained critiques of relational trope ontologies and their theoretical adequacy
Analyzed the formal structure of trope-based property theories
Contributed to debates on whether tropes can replace universals in grounding resemblance and instantiation
Examined the limits of analogical reasoning in metaphysical positing