"Stalnaker does us a service by illustrating the value--indeed, the philosophical necessity--of working from a conception of the models of possible-world semantic theories that is appropriately extensive, explicit, and nuanced. But prospective readers can also expect a great deal more than that from the serious study that this fine work both requires and repays."--John Divers, Philosophical Quarterly "Mere Possibilities is a rich and subtle text that might be connected in any number of ways to the literature on possible-world semantics and its relationship to metaphysics... Stalnaker does us a service by illustrating the value--indeed, the philosophical necessity--of working from a conception of the models of possible-world semantic theories that is appropriately extensive, explicit, and nuanced. But prospective readers can also expect a great deal more than that from the serious study that this fine work both requires and repays."--John Divers, Oxford Journals