This book develops an original theory of decision-making based on the concept of plausibility. The author advocates plausible reasoning as a general philosophical method and demonstrates how it can be applied to problems in argumentation theory, scientific theory choice, risk management, ethics, law, economics, and epistemology.

John R. Welch is Professor Emeritus at Saint Louis University - Madrid Campus. He is the author of Moral Strata: Another Approach to Reflective Equilibrium and numerous articles and book chapters in specialized publications. He is also the editor of Other Voices: Readings in Spanish Philosophy.