central roles characterizing different ontological theories within ontology lack general consensus concerning different categories defined ref name thomasson different ontologists often disagree whether certain category members whether given category fundamental ref name sandk hler particulars universals particulars individuals usually contrasted universals universals concern features exemplified various different particulars ref name macleod ref example tomato strawberry two particulars exemplify universal redness universals present various distinct locations space
Humanities Philosophy Metaphysics Ontology