View _Logical blogger.com from SEMINAR at Centennial High School. Adapted from Purdue - OWL Logical Fallacies Logical fallacies are common errors in reasoning that will undermine the logic of Purdue Owl Logical Fallacies. STUDY. Flashcards. Learn. Write. Spell. Test. PLAY. Match. Gravity. Created by. smerri Terms in this set (22) Slippery Slope. This is a conclusion based on the premise that if A happens, then eventually through a series of small steps, through B, C,, X, Y, Z will happen, too, basically equating A and Z. So · Fallacies are common errors in reasoning that will undermine the logic of your argument. Fallacies can be either illegitimate arguments or irrelevant points, and are often identified because they lack evidence that supports their claim. Avoid these common fallacies in your own arguments and watch for them in the arguments of others
Using Logic // Purdue Writing Lab
This resource covers using logic within logical fallacies purdue owl vocabulary, logical fallacies, and other types of logos-based reasoning.
Contributors: Ryan Weber, Allen Brizee Last Edited: Fallacies are common errors in reasoning that will undermine the logic of your argument. Fallacies can be either illegitimate arguments or irrelevant points, and are often identified because they lack evidence that supports their claim. Avoid these common fallacies in your own arguments and watch for them in the arguments of others. Slippery Slope: This is a conclusion based on the premise that if A happens, then eventually through a series of small steps, through B, C,…, X, Y, Z will happen, too, basically equating A and Z.
If we ban Hummers because they are bad for the environment eventually the government will ban all cars, so we should not ban Hummers. In this example, the author is equating banning Hummers with banning all cars, which is not the same thing.
Hasty Generalization: This is a conclusion based on insufficient or biased evidence. In other words, you are rushing to a conclusion before you have all the relevant facts. In this example, the author is basing his evaluation of the entire course on only the first day, which is notoriously boring and full of housekeeping tasks for most courses. To make a fair and reasonable evaluation the author must attend not one but several classes, and possibly even examine the textbook, logical fallacies purdue owl, talk logical fallacies purdue owl the professor, logical fallacies purdue owl talk to others who have previously finished the course in order to have sufficient evidence to base a conclusion on.
In this example, the author assumes that if one event chronologically follows another the first event must have caused the second. But the illness could have been caused by the burrito the night before, a flu bug that had been working on the body for days, or a chemical spill across campus.
There is no reason, without more evidence, to assume the water caused the person to be sick, logical fallacies purdue owl. Genetic Fallacy: This conclusion is based on an logical fallacies purdue owl that the origins of a person, idea, institute, or theory determine its character, nature, or worth. In this example the author is equating the character of a car with the character of the people who logical fallacies purdue owl the car.
However, the two are not inherently related. Begging the Claim: The conclusion that the writer should prove is validated within the claim. Arguing that coal pollutes the earth and thus should be banned would be logical. Circular Argument: This restates the argument rather than actually proving it. Specific evidence such as using everyday language, breaking down complex problems, or illustrating his points with humorous stories would be needed to prove either half of the sentence.
In this example, the two choices are presented as the only options, yet the author ignores a range of choices in between such as developing cleaner technology, car-sharing systems for necessities and emergencies, or better community planning to discourage daily driving. Ad hominem: This is an attack on the character of a person rather than his or her opinions or arguments.
Instead, the author attacks the characters of the individuals in the group. Logical fallacies purdue owl populum: This is an emotional appeal that speaks to positive such as patriotism, religion, logical fallacies purdue owl, democracy or negative such as terrorism or fascism concepts rather than the real issue at hand.
If you were a true American you would support the rights of people to choose whatever vehicle they want, logical fallacies purdue owl. Red Herring: This is a diversionary tactic that avoids the key issues, often by avoiding opposing arguments rather than addressing them, logical fallacies purdue owl. The level of mercury in seafood may be unsafe, but what will fishers do to support their families? In this example, the author switches the discussion away from the safety of the food and talks instead about an economic issue, the livelihood of those catching fish.
While one issue may affect the other it does not mean we should ignore possible safety issues because of possible economic consequences to a few individuals. In reality, however, the opposition probably has more complex and sympathetic arguments to support their point.
By not addressing those arguments, the author is not treating the opposition with respect or refuting their position. In this example, the author is comparing the relatively harmless actions of a person doing their job with the horrific actions of Hitler.
This comparison is unfair and inaccurate. You are commenting using your WordPress. com account. You are commenting using your Google account. You are commenting using your Twitter account.
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Top 10 Logical Fallacies
, time: 6:56Logical Fallacies - List of Logical Fallacies with Examples
View _Logical blogger.com from SEMINAR at Centennial High School. Adapted from Purdue - OWL Logical Fallacies Logical fallacies are common errors in reasoning that will undermine the logic of · Fallacies are common errors in reasoning that will undermine the logic of your argument. Fallacies can be either illegitimate arguments or irrelevant points, and are often identified because they lack evidence that supports their claim. Avoid these common fallacies in your own arguments and watch for them in the arguments of others Purdue Owl Logical Fallacies. STUDY. PLAY. Slippery Slope. This is a conclusion based on the premise that if A happens, then eventually through a series of small steps, through B, C,, X, Y, Z will happen, too, basically equating A and Z
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