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Topic: Logical fallacy

Related Topics

Logical argument

Ad hominem

Informal logic

Logic

Slippery slope

Conjunction fallacy

Critical thinking

Rhetoric

	Fallacy - Wikipedia, the free encyclopedia
		A fallacy is a component of an argument that is demonstrably flawed in its logic or form, thus rendering the argument invalid (except in the case of begging the question) in whole.
		Because the validity of a deductive argument depends on its form, a formal fallacy (or logical fallacy) is a deductive argument that has an invalid form, whereas an informal fallacy is any other invalid mode of reasoning whose flaw is not in the form of the argument.
		Fallacy of Accident (also called destroying the exception or a dicto simpliciter ad dictum secundum quid) meaning to argue erroneously from a general rule to a particular case, without proper regard to particular conditions that vitiate the application of the general rule; e.g.
	en.wikipedia.org /wiki/Fallacy (2383 words)

	Logical fallacy - Wikipedia, the free encyclopedia
		In philosophy, the term logical fallacy properly refers to a formal fallacy: a flaw in the structure of a deductive argument which renders the argument invalid.
		By extension, an argument can contain a formal fallacy even if the argument is not a deductive one; for instance an inductive argument that incorrectly applies principles of probability or causality can be said to commit a formal fallacy.
		Recognizing fallacies in everyday arguments may be difficult since arguments are often embedded in rhetorical patterns that obscure the logical connections between statements.
	en.wikipedia.org /wiki/Logical_fallacy (478 words)

	Logical fallacy (Site not responding. Last check: 2007-10-22)
		A logical fallacy is an error in logical argument which is independent of the truth of the premises.
		Recognizing fallacies in practical arguments may be difficult since arguments are often structured using rhetorical patterns that obscure the logical connections between assertions.
		In logical parlance, the inference is invalid, since under at least one interpretation of the predicates it is not validity preserving.
	www.uncover.us /en/wikipedia/l/lo/logical_fallacy.html (1802 words)

	Logical Fallacies Handlist (Site not responding. Last check: 2007-10-22)
		The phrase is applicable in general to any type of logical fallacy, but logicians use the term particularly in reference to syllogistic errors such as the undistributed middle term, non causa pro causa, and ignorantio elenchi.
		Composition: This fallacy is a result of reasoning from the properties of the parts of the whole to the properties of the whole itself--it is an inductive error.
		Division: This fallacy is the reverse of composition.
	web.cn.edu /kwheeler/fallacies_list.html#personal_attack_anchor (4845 words)

	Logical Fallacies
		The ability to identify logical fallacies in the arguments of others, and to avoid them in one’s own arguments, is both valuable and increasingly rare.
		Once it has been decided what is to count as a logical fallacy, the question remains as to how the various fallacies are to be categorised.
		The ‘No True Scotsman’ fallacy, for example, could be classified either as a fallacy of ambiguity (an attempt to switch definitions of “Scotsman”) or as a fallacy of presumption (it begs the question, reinterpreting the evidence to fit its conclusion rather than forming its conclusion on the basis of the evidence).
	www.logicalfallacies.info (920 words)

	The Autonomist - Logic Fallacies
		Logic, which provides the principles of correct reason, does not ensure we will use those principles correctly, and it is easy to suppose we are being logical, while making subtle mistakes in our reasoning that are not easy to detect.
		The pathetic fallacy is a subset of this fallacy.
		Inconsistency fallacy - Arguing from inconsistent statements, or to conclusions that are inconsistent with the premises.
	usabig.com /autonomist/fallacies.html (14595 words)

	Logical Fallacies and the Art of Debate
		This is the fallacy of assuming that something is false simply because a proof or argument that someone has offered for it is invalid; this reasoning is fallacious because there may be another proof or argument that successfully supports the proposition.
		The fallacy comes in when other aspects of the proposed solution (such as whether it is possible, how much it costs, who else might be harmed by adopting the policy) are ignored or responded to only with more impassioned pleas.
		In addition, it is not fallacious at all to point out that certain advantages or disadvantages may apply equally to both positions presented in a debate, and therefore they cannot provide a reason for favoring one position over the other (such disadvantages are referred to as "non-unique").
	www.csun.edu /~dgw61315/fallacies.html#Nonsequitur (5262 words)

	Logical Fallacies in Scientific Writing (Site not responding. Last check: 2007-10-22)
		Fallacies of relevance deal principally with the relationship between the premise/evidence, and the conclusion of the argument.
		The fallacies of insufficient/suppressed evidence and irrelevance relate to the selection and significance of data, while compound questions, non sequiturs, and false cause relate to the reasoning used to reach the conclusion.
		Logical fallacies in scientific reasoning are encountered in many different places, from books and magazines to tapes and television.
	mason.gmu.edu /~arichar6/logic.htm (4277 words)

	Logical fallacy : Fallacy
		A fallacy is a way that a logical argument can go wrong and thereby fail to be valid or sound, or otherwise fail to properly support its claim.
		Sometimes, however, an appeal to an authority is best construed not as a fallacy but as an appeal to expert testimony[?]—a type of inductive argument.
		Typically, logical fallacies are invalid, but they can often be written or rewritten so that they follow a valid argument form; and in that case, the challenge is to discover the false premise, which makes the argument unsound.
	www.fastload.org /fa/Fallacy.html (754 words)

	We Should Live - Ben Bateman » The Logical-Fallacy Attack
		Within the world of formal symbolic logic, I know of only three true fallacies: denying the antecedent, affirming the consequent, and the fallacy of the undistributed middle.
		As for the other techniques that are commonly called logical fallacies, such as those listed here, you won’t find them in any books on formal logic.
		No doubt some people use the term “logical fallacy” as a form of intimidation, and some people think that a non-formal-logical fallacy is dispositive vis-a-vis their opponents argument, but I think there’s a lot more room for legitimate use of the logical fallacy argument than you indicated in your post.
	weshouldlive.com /blog/archives/93 (1589 words)

	The Logical Fallacies: Table of Contents (Site not responding. Last check: 2007-10-22)
		Fallacy of Exclusion: evidence which would change the outcome of an inductive argument is excluded from consideration
		Fallacy of Drawing an Affirmative Conclusion From a Negative Premise: as the name implies
		Existential Fallacy: a particular conclusion is drawn from universal premises
	www.intrepidsoftware.com /fallacy/toc.php (731 words)

	Fallacies
		In order to understand what a fallacy is, one must understand what an argument is. Very briefly, an argument consists of one or more premises and one conclusion.
		To be more specific, a fallacy is an "argument" in which the premises given for the conclusion do not provide the needed degree of support.
		A deductive fallacy is a deductive argument that is invalid (it is such that it could have all true premises and still have a false conclusion).
	www.nizkor.org /features/fallacies (524 words)

	post hoc fallacy
		The post hoc ergo propter hoc (after this therefore because of this) fallacy is based upon the mistaken notion that simply because one thing happens after another, the first event was a cause of the second event.
		A controlled study is necessary to reduce the chance of error from self-deception.
		Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life, 8th edition (Wadsworth, 1997).
	skepdic.com /posthoc.html (421 words)

	Logical Fallacies: The Fallacy Files
		So, if one appeals to the opinion of such a non-expert, one commits a fallacious appeal to authority.
		Thus, our old friends post hoc and the regression fallacy help to keep the motivational gurus raking in the money.
		Permission is granted for non-commercial use and replication of this material for educational purposes, provided that appropriate notice is included of both its authorship and copyrighted status.
	www.fallacyfiles.org (217 words)

	logical fallacy framework
		Most errors in logic can be identified by associating a writer's reason with an element of the framework.
		Most logical fallacies consist of taking an element or type of argument to an extreme, exaggerating or misrepresenting information, or using it inappropriately, and/ or creating a false or misleading impression.
		_____ The mistake in logic which carries persuasive power, but is based on information which is taken to an extreme, exaggerated, misrepresented, or used inappropriately to create a false or misleading impression that convinces the audience.
	www.accd.edu /SAC/english/mgarcia/writfils/framework.htm (3208 words)

	[No title]
		Description: A fallacy of assuming that because someone is poor he or she is sounder or more virtuous than one who is wealthier.
		This fallacy is also known as the "hasty generalization." It is a fallacy that takes evidence from several, possibly unrepresentative, cases to a general rule; generalizing from few to many.
		Description: A fallacy when irrelevant material is introduced to the issue being discussed, such that everyone's attention is diverted away from the points being made, and toward a different conclusion.
	people.uncw.edu /kozloffm/EDN566logicalfallacies.html (1806 words)

	Wiki: Logical Fallacy - Christian Forums
		A logical fallacy is considered to be a defect in an argument rendering the argument invalid, unsound or weak.
		There are many types of logical fallacies, with the most common ones (with examples) presented here.
		This is similar to the Ad Hominem logical fallacy, as it is an attempt by one debater to switch the focus back to another individual rather than the argument presented.
	www.christianforums.com /t2638470-wiki-logical-fallacy.html (1093 words)

	The "No True Scotsman Fallacy" Fallacy (Site not responding. Last check: 2007-10-22)
		The conversation then degenerates into an endless debate on the topic of informal fallacies, how an argument can exhibit an informal fallacy and still be strong, how my argument does not in fact represent the fallacy claimed, and so forth.
		The NTS Fallacy, then, is a fallacy of equivocation whereby the correspondent shifts meanings in mid-argument.
		Since I have always maintained that not all who claim to be Christians are "True Christians" it is not an NTS fallacy for me to continue to say that some who claim Christ are not Christians.
	www.theism.net /authors/pnarkinsky/nts.html (1024 words)

	Name this logical fallacy. \| Ask MetaFilter
		It relates all the fallacies to baseball, but it's a pretty useful thumbnail of the different types of logical fallacies...
		I misread the question -- thought you were looking for examples of logical fallacies (in general).
		I forget the legal term, something like Natural Speed Limit or somesuch, that states if you are exceeding the speed limit, but moving with the flow of traffic then the actual speed limit is that of the traffic, and you are permitted to drive that speed.
	ask.metafilter.com /mefi/32084 (906 words)

	Market Power: New Logical Fallacy (Site not responding. Last check: 2007-10-22)
		I'd like to propose a new logical fallacy which I would like to call the "Collective Field of Dreams Fallacy": if the public doesn't build it, they won't come.
		It's the fallacy invoked when the various supporters of public funding for stadiums/arenas come forth.
		The other part of the fallacy is to assume that if the stadium/arena isn't built with public funds, then it won't get built.
	marketpower.typepad.com /market_power/2005/04/new_logical_fal.html (808 words)

	Logical Fallacy Bio @ HigherPower.org (Higher Power) (Site not responding. Last check: 2007-10-22)
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	higherpower.org /encyclopedia/Logical_fallacy (447 words)

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