Nominalism is a
metaphysical view in
philosophy according to which general or abstract terms and
predicates exist, while
universals or
abstract objects, which are sometimes thought to correspond to these terms, do not exist. There are at least two main versions of nominalism. One version denies the existence of universals – things that can be instantiated or exemplified by many particular things (e.g., strength, humanity). The other version specifically denies the existence of abstract objects – objects that do not exist in space and time.