This book explores the thought of Alexius Meinong, a philosopher known for his unconventional theory of reference and predication. The chapters cover a natural progression of topics, beginning with the origins of Gegenstandstheorie, Meinong s theory of objects, and his discovery of assumptions as a fourth category of mental states to supplement his teacher Franz Brentano s references to presentations, feelings, and judgments.

The chapters explore further the meaning and metaphysics of fictional and other nonexistent intended objects, fine points in Meinongian object theory are...