The Metaphysics of Contingency: A Theory of Objects' Abilities and Dispositions - Paperbackby Ferenc Huoranszki (Author) Philosophers approach the problem of possibility in two markedly different ways: with reference to worlds, whereby an event is possible if there is a world in which it occurs, and with reference to modal properties, whereby an event is a possible manifestation of a property of some substance or object. Showing how the world account cannot properly explain the nature of possibilities within worlds, Ferenc Huoranszki argues