文章基本信息

标题：Valid Ad Hominem Arguments in Philosophy: Johnstone's Metaphilosophical Informal Logic
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作者：Maurice A. Finocchiaro
期刊名称：Informal Logic
印刷版ISSN：0824-2577
出版年度：2001
卷号：21
期号：1
出版社：Informal Logic
摘要：This is a critical examination of Johnstone's thesis that all valid philosophical arguments are ad hominem. I clarify his notions of valid, philosophical, and ad hominem. I illustrate the thesis with his refutation ofthe claim that only ordinary language is correct. r discuss his three supporting arguments (historical, theoretical, and intermediate). And r criticize the thesis with the objections that if an ad hominem argument is valid, it is really ad rem; that it's unclear how his own theoretical argument can be ad hominem; that if an ad hominem argument is really valid, it would have to be based on the proponent's own assumptions; and that the thesis is not true of philosophical arguments that are constructive rather than critical.
关键词：ad hominem, validity, philosophical argument, metaphilosophy, Henry W. Johnstone Jr.