Informal Fallacies Worksheet

Informal Fallacies Worksheet - Informal Fallacies Worksheet...

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Informal Fallacies Worksheet Identify all the informal fallacies committed in these passages. Be able to explain which cogency condition each fallacy fails to meet. © Kevin Possin 1. If we’re not supposed to eat animals, how come they’re made out of meat? (Doug Doty, Letter to the Editor, Harper’s magazine) Begging the question 2. How could radon possibly be a problem in this area? I’ve never seen it so much as mentioned in the paper. And none of the Real Estate Websites mention it either, in any of their house listings. Appeal to false authority 3. I’m against the proposal to place U.S. flags in every classroom, because it is being sponsored by the Young Republicans. And the Republican Party is so anti-gay that I’d be reminded of that every time I go to my classroom to teach my classes. (Unnamed professor) Guilt by association 4. [Bryce] Gaudian wrote that if members were willing to include only evolution in the science standards, “then I must reiterate to you all again Scripture’s stern warning of grave peril for your offence: ‘But whoso shall offend one of these little ones which believeth in me, it were better for him that a millstone were hanged around his neck, and that he were drowned in the depth of the sea; woe to that man by whom the offence cometh! (Matthew 18:6-7)’.” (“Creationist’s e-mails disturb members of Minnesota’s science standards committee,” Winona Daily News , Nov. 11, 2003) Appeal to force 5. Background: The following is taken from an ad placed by Amoco Chemical Company in Harper’s magazine for October 1989. The ad defends plastic products against the charge that they currently are a major contributor to waste and pollution: “In addition to environmentally secure landfills and more state of the art waste to energy incinerators, we believe that a significant answer to America’s waste problem lies in recycling. Everything recyclable should be recycled. Yard waste. Paper. Metal cans. Glass bottles. And plastics. Although plastics recycling is in its infancy, plastics are potentially more recyclable than alternative packaging materials.” Appeal to ignorance 6. A recent lawsuit against the City by a local sexually oriented business (SOB) is not something to be ignored. The lawsuit is a good example of how rights can be construed and used in different ways. Pornographers hide behind their right to free speech. While we can’t deny someone’s right to free speech, we have rights too. The courts have for years upheld community’s rights to create ordinances that regulate SOBs. Ordinances are meant to reduce the harmful secondary effects of SOBs. The Minnesota Attorney General outlined these effects in a
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1989 report: the crime index for burglary, robbery, rape, and assault increased with the addition of even one SOB to a census track area. Winona is in the process of creating an ordinance to regulate SOBs. (Joe Heer, Guest Columnist, Winona Daily News ) Apeeal to popularity, Guilt by association 7.
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  • Fall '11
  • Possin
  • editor, FALSE ANALOGY, false authority, Trudy Govier, Conservation Association magazine

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