|When a conclusion is deemed incorrect because it was commonly held in an era when something else that was clearly false was also commonly held.||Why must we accept medieval art as having any value when it emerged from the same period in which people burned witches and believed in fairies?|
|This is a type of faulty generalization since the error is over-generalizing from a period of several wrong concepts to concluding that all concepts within that period were wrong. A more detailed treatment of faulty generalizations can be found on the supplementary Inductive Errors page.|
Case Study One
Many early doctors held superstitions that would make us wary of visiting their office were they alive and holding the same beliefs today. This does not mean their practice of medicine was completely worthless for those needing medical assistance in that era.
Keep in mind that a fallacious argument does not entail an erroneous position.