A new pragmatic approach, based on the latest developments in argumentation theory, analyzing appeal to expert opinion as a form of argument.Reliance on authority has always been a common recourse in argumentation, perhaps never more so than today in our...
This book is a contribution to the growing literature on fallacies - verbal deceptions and logical errors of different kinds that commonly occur in argumentation. The particular subject of this book is ambiguity in language, and the fallacies that can...
Arguments from Ignorance explores the situations in which the argument from ignorance (also known as the lack-of-knowledge inference, negative evidence, or default reasoning) functions as a respectable form of reasoning and those in which it is indeed...
Appeals to emotion--pity, fear, popular sentiment, and ad hominem attacks--are commonly used in argumentation. Instead of dismissing these appeals as fallacious wherever they occur, as many do, Walton urges that each use be judged on its merits. He distin...