 A third problem, one of Russell’s objections to Meinongianism (see [Russell 1905a, 1907]), turns on the fact that existence is, on Meinongianism, a property and hence figures into the base of the naive comprehension principle. So, consider the condition of being winged, being a horse, and existing. By the naive comprehension principle, there is an object with exactly these features. But then this object exists, as existing is one of its characterizing features. Intuitively, however, there is no existent winged horse. An existent object cannot so easily be thought into being. Indeed, for every intuitively nonexistent object that motivates Meinongianism—Zeus, Pegasus, Santa Clause, and Ronald McDonald—there is, by the naive abstraction principle, an object just like it but with the additional property of existing. But then there is an existing Zeus, an existing Pegasus, etc.. This is overpopulation not of being but of existence as well.