Meinongian Logic: The Semantics of Existence and Nonexistence

abstract object Alexius Meinong analysans Anselm's applied Barcan formula concept content and object converse intentional properties counterexample criterion dagger defective objects definite description designated domain encodes exemplify existent and nonexistent existent objects existent or nonexistent existent round square extensional extranuclear property fictional formal free assumption Gegenstandstheorie Gödel golden mountain Ibid impossible object incomplete induction inference intentional object interpretation kind Mally Mally's maximally impossible Maximplo Meinong Meinong's object theory Meinong's Theory Meinongian object theory Meinongian semantics metatheorems Modal Logic modal Meinongian logic modes of predication nonexistent objects nuclear properties object theory ontological commitment pain Paradox of Analysis Parsons phenomenological Plantinga principle private language argument private mental objects private sensations probability problem proof proposition psychological quantificational Rapaport referentially identical Routley Russell's scientific law solution soseinlos mountain syntactically consistent theorem theories of ontological Theory of Objects tion true truth value Twardowski unapprehendable undetermined Wittgenstein Zalta