Universals belong to those entities that have neither spatial nor temporal parts, and that therefore have neither a (literally) spatial nor a (literally) temporal localisation. Universals are either non-predicative or predicative. The non-predicative universals are also called
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2 Armstrong, D. M., (1979), A World of States of Affairs, Cambridge: Cambridge University Press.
3 Meixner, U., (1997), Axiomatic Formal Ontology, Dordrecht: Kluwer.
4 Meixner, U., (2006), The Theory of Ontic Modalities, Heusenstamm: Ontos Verlag.