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Full Idea
Where for ordinary objects one can discover the properties they exemplify, abstract objects are actually constituted or determined by the properties by which we conceive them. I use the technical term 'x encodes F' for this idea.
Gist of Idea
Abstract objects are actually constituted by the properties by which we conceive them
Source
Edward N. Zalta (Deriving Kripkean Claims with Abstract Objects [2006], 2 n2)
Book Ref
-: 'Nous' [-], p.2
A Reaction
One might say that whereas concrete objects can be dubbed (in the Kripke manner), abstract objects can only be referred to by descriptions. See 10557 for more technicalities about Zalta's idea.
Related Idea
Idea 10557 Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta]