Full Idea
It is infamous that on Russell's analysis the sentences "The winged horse has wings" and "The winged horse is a horse" are false, because in the extant domain of actual existent entities there contingently exist no winged horses
Gist of Idea
On Russell's analysis, the sentence "The winged horse has wings" comes out as false
Source
Dale Jacquette (Ontology [2002], Ch. 6)
Book Reference
Jacquette,Dale: 'Ontology' [Acumen 2002], p.163
A Reaction
This is the best objection I have heard to Russell's account of definite descriptions. The connected question is whether 'quantifies over' is really a commitment to existence. See Idea 6067.
Related Idea
Idea 6067 Existential quantifiers just express the quantity of things, leaving existence to the predicate 'exists' [McGinn]