Full Idea
A 'porridge' nominalist denies natural kinds, and thinks there are no objective divisions in reality, so concepts or words can be used by a community to divide the world up in any way that suits their purposes.
Gist of Idea
A 'porridge' nominalist thinks we just divide reality in any way that suits us
Source
Stephen Mumford (Laws in Nature [2004], 07.3)
Book Reference
Mumford,Stephen: 'Laws in Nature' [Routledge 2006], p.110