Full Idea
There are sensible ways to maike a distinction between different kinds of being. ..One need not fear that this leads to a 'bloated ontology'. ...We need only distinguish 'ontological commitment' from 'existential commitment'
Gist of Idea
We can distinguish 'ontological' from 'existential' commitment, for different kinds of being
Source
C. Anthony Anderson (Identity and Existence in Logic [2014], 2.6)
Book Reference
'Bloomsbury Companion to Philosophical Logic', ed/tr. Horsten,L/Pettigrew,R [Bloomsbury 2014], p.74
A Reaction
He speaks of giving fictional and abstract entities a 'lower score' in existence. I think he means the 'ontological' commitment to be the stronger of the two.