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The genetic fallacy (also known as the fallacy of origins or fallacy of virtue〔(【引用サイトリンク】url=http://www.don-lindsay-archive.org/skeptic/arguments.html#genetic )〕) is a fallacy of irrelevance where a conclusion is suggested based solely on someone's or something's history, origin, or source rather than its current meaning or context. This overlooks any difference to be found in the present situation, typically transferring the positive or negative esteem from the earlier context. The fallacy therefore fails to assess the claim on its merit. The first criterion of a good argument is that the premises must have bearing on the truth or falsity of the claim in question.〔''Attacking Faulty Reasoning: A Practical Guide to Fallacy-Free Arguments'' (Third Edition) by T. Edward Damer, chapter II, subsection "The Relevance Criterion" (pg. 12)〕 Genetic accounts of an issue may be true, and they may help illuminate the reasons why the issue has assumed its present form, but they are not conclusive in determining its merits.〔''With Good Reason: An Introduction to Informal Fallacies'' (Fifth Edition) by S. Morris Engel, chapter V, subsection 1 (pg. 198)〕 According to the ''Oxford Companion to Philosophy'' (1995), the term originated in Morris Raphael Cohen and Ernest Nagel's book ''Logic and Scientific Method'' (1934). ==Argument from age ("Wisdom of the Ancients")== This is a common version of the genetic fallacy where the thing in question is very new or old, so it must be better. Examples include products advertised as "New!" or "Old Fashioned Hamburgers".〔 "Chronological snobbery" is a version of the genetic fallacy which works the same way in reverse, where the thing in question (usually an idea) is very old, so it must be bad or inferior. It does not follow logically from the fact that an idea is very old that it must be bad, inferior or false. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Genetic fallacy」の詳細全文を読む スポンサード リンク
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