 This means that the features that unite entities of a kind, which are expressed in the general propositions of science, no longer have a metaphysical foundation. While this view is generally described as “nominalist,” it is more accurately characterized as “conceptualist,” since the “names” to which universals were reduced were nomina mentalia (mental names), or (as we would say) concepts (Maurer 1999: 63–64). But with this qualification in mind, we can continue to refer to it as “nominalist.”