If P Then Q

This new edition includes three new chapters, updating the book to take into account developments in the field over the past fifteen years. Introduction Conditionals in Everyday Life and in Philosophy; I: The History of Philosophical Treatments of Conditionals; I: Ancient History; II: Medieval and Post-medieval History; III: Rediscovery of the Material Conditional; IV: Rediscovery of the Strict Conditional; V: Subjunctive Conditionals and Covering Laws; VI: Belief and Probability; VII: Possible Worlds; II: A New Treatment of Conditionals; VIII: Inference, Entailment, and the Purposes of Theories; IX: Problems with the Ramsey Test, Possible Worlds, and Probability; X: Various Visions of Possible Worlds; XI: Laws and Conditions; XII: Counterfactual Dependence and Backtracking; XIII: Patterns of Dependence; XIV: Objective Dependence; XV: A Problem with Validity