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Intro to Logic (11318)
Fallacy Info
43
Philosophy
Undergraduate 2
10/30/2012

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Cards

Term
abusive analogy
Definition
is to insult indirectly,and to make or have that person look foolish or silly, usually emotions or feelings come into play.
Relies on the audience to picture the demeaningness
Term
accident
Definition
when someone attempts to reject a general rule. An individual may try to use a rare circumstance to claim that a particular rule cannot be held true, and this appears to be a valid argument because this rare example seems to prove that the general rule is false. However, this argument is fallacious because most general rules are broad, and do not include all possible circumstances.
Term
analogical fallacy
Definition

Here is an argument I have actually heard many times:

"When a woman walks around late at night wearing skimpy clothes, and especially if she has been drinking, she is asking for trouble. You wouldn't leave your car doors unlocked in the middle of the night and then complain when someone steals all the contents inside, would you?"

This is a real argument that is often used to blame victims of sexual assault, using the argument that dressing immodestly is comparable to leaving a car door unlocked (sometimes is is also compared to leaving a purse or wallet unattended in a public area). It is easy to tell the argument is fallacious because people are not cars, and leaving an inanimate object unguarded is not an appropriate comparison to a human being's decision to dress or carry on in a certain fashion.

Term
argumentum ad antiquitam
Definition

Bob: "Thanksgiving at my house is something I look forward to every year. My family has been practicing this tradition for an entire century beginning with my great-great grandfather's family. The dishes are prepared like they were one hundred years ago. I believe that it is such a great tradition that I will want my children to carry on that tradition the way it was practiced a century ago. It is such an old tradition that it should be carried on."

Bob is saying here that simply because his family's Thanksgiving tradition is an older one then it should be carried on as a practiced tradition like it was when it was established as a tradition. Even though this tradition is important to Bob's family due to the way it has been practiced, that does not mean that it needs to be exactly like it was one hundred years ago. It can certainly still be somewhat similar to the way it was when it was created but does not need to be necessarily 100% authentic.

Term
complex question
Definition

several questioned combined into one and requires a yes or no answerr.

Is your stupidity inborn?

Term
composition
Definition
The fallacy of composition is when someone say's that because a individual is really talented that in a group they will make a very talented group. This is a convincing fallacy because people assume that if everyone is really talented then as a group it would be a very talented group, however just because they are individually talented does not mean that as a group they are very talented. So for instance they may be very talented by themselves but they do not get along with each other so as a group they would not be very good.
Term
concealed quantification
Definition

Concealed Quantification is when the ambiguity of an expression permits a misunderstanding of the quantity spoken of.

An ambiguous statement is made loosely with the understanding that people will understand it as general.

"Women love chick flics."

The speaker intends to convince the audience that "most" women love chick flics. Although this is not specifically stated by the speaker, the intent is to portray that most women love chick flics. Using the word 'ALL' would seem to overstate the intended meaning. Even though it is plausible to assume that the speaker meant 'ALL' women love chick flics it would be a misunderstanding of the initial intent.

Term
cum hoc ergo propter hoc
Definition

Cum Hoc Ergo Propter Hoc is a fallacy in which a person confuses correlation for causation. This happens when that person thinks that just because two things (events) occur simultaneously then it must be because one of the events caused the other and assumes a conclusion based on just the correlation. This fallacy leaves no room for outside factors when it comes to the conclusion.

Cum Hoc Ergo Propter Hoc translates to: With this, therefore because of this.

Term
damning the alternatives
Definition

"Sarah should be elected class president because Tyler is lazy and Lisa is dumb."

Although the arguer provides reasons for why Tyler and Lisa should not be class president, this is not justification for why Sarah should be president. Since no information is given about Sarah, we do not know what commendable presidential qualities or despicable non-presidential characteristics she may possess. The negative characteristics of Tyler and Lisa have nothing to do with Sarah's characteristics.

Term
Dicto Simpliciter
Definition
Dicto simpliciter is a fallacy in which radical generalizations occur and are treated as though they are true regardless of the context and application in all specific cases. People often regard a dicto simpliciter statement as good reasoning mainly because it is so seemingly established yet broad in notion. The fallacy exists in assuming every situation applies to the general statement when sometimes the statement just doesn’t fully qualify as true for all situations.
Term
division
Definition
Division is an abuse of adjectives in speaking or writing that pushes qualities of the whole onto the individuals that compose it. This fallacy requires that all members of a given group are exactly the same and that they share common characteristics. Division is done to make individuals appear different than they really are by making one of their qualities preeminent and using this information to compare the individual to other members of the group.
Term
every schoolboy knows
Definition

Every schoolboy knows is a fallacy of reasoning that relies on the assumption that the argument being made is already common knowledge and therefore must be true.

Every school boy knows that The University of Michigan has the best band in the land.

This commits the Every schoolboy knows fallacy because it implies that everyone should already know that The University of Michigan has the best band in the land. If they did not know this or disagree with this than they are ignorant.

Term
genetic fallacy
Definition
It is also known as “damning the origin”, which indicates the false assumption about the validity of the argument based on disliking its source.
Term
half-concealed quantification
Definition

"As the most powerful country in the world, Americans should take more pride in our beautiful American flag. Basically everyone in this country is Patriotic, and patriotic citizens have the responsibility to openly display their patriotism. Everyone should hang a flag in their yard. More flags in our communities would lead to a greater sense of nationalism."

This argument is fallacious because it conceals the fact that not everyone in America is patriotic. The use of the term “basically” convinces whoever listens and/or responds to this argument that patriotism is within everyone in America, even though upon further analysis of the statement, it does not actually claim this and is not a hard generalization. Arguments cannot be made based on soft generalizations

Term

Argumentum ad hominem (abusive)

Definition
Instead of attacking the argument itself argumentum ad hominem (abusive) goal is to attack the opposing arguer, so that the litesner will not believe the arguers conclusion. It does this by undermining the arguer’s credibility. (Used in great extent during political campaigns) The opposing arguers past mistakes, shameful affiliations, or anything else that would cause the audience to lose faith in the opposing arguers argument is brought up. This is a fallacy because an argument is not bound to the credibility of the arguer; a well formed argument would not lose any validity or gain any validity if someone else were to say it
Term
argumentum ad hominem (circumstantial)
Definition
"I don't think we should let the mayor allow a new Budweiser building to be built near our neighborhood. It's clear that he will benefit from having a new Budweiser building built. There is always more drunken behavior in the neighborhoods near Budweiser buildings and the mayor only wants to build a new Budweiser building because he owns a nearby Taco Bell, which would benefit from more drunken behavior in our neighborhood"

The conclusion the speaker is trying to reach is that we should not let the mayor allow the construction of a new Budweiser building. They support this conclusion by pointing out that the mayor will benefit from allowing the Budweiser building to be built. This makes it seem as though if he were to allow the building to be built he would be acting out of greed for his own personal gain. This is a fallacy because his benefit from the construction of a Budweiser plant is not enough to warrant that his allowance of it's construction is actually going to be a bad thing for anyone. The decision to construct the new Budweiser plant may benefit the mayor and still be good for everyone. Also the mayors choice could have nothing to do with how he benefits.

Term
argumentum ad ignorantiam
Definition

Person 1: Marijuana is good for the body. I don’t see why it has to be illegal when clearly there are no harmful effects of marijuana that have been proven by scientists.

Person 2: Marijuana is not healthy at all, despite your claims that it isn't harmful. Smoking marijuana leads to lung cancer.

Person 1: That’s just not true, man. There are no studies that prove that smoking marijuana leads to cancer in any way.

Person 2: Well, I guess you’re right, but still, I just don’t think inhaling marijuana is healthy!

In this argument, Person 1 backs up his idea cleverly by claiming that because of a lack of evidence (in this case, the lack of evidence for the link between lung cancer and marijuana smoke), something is proven untrue. This is a fallacious statement. Just because there is no evidence for something and it is not assumed to be true, that does not mean that it is actually untrue. It has the appearance of being a non-fallacious argument because Person 1's statement about the lack of proof is convincing. Just that statement about the lack of proof alone does not disprove that marijuana and cancer are linked.

Term
ignorantio elenchi
Definition

Being a private music teacher is a really fulfilling experience. I can think of a no better occupation than one that allows you to work from home and plan your own working schedule. This allows you more convenience and control over your schedule compared to other occupations.

Explanation: The person is supposed to be explaining how and why being a private music teaching is fulfilling, for e.g. being able to work with students from different backgrounds, and being able to combine passion with occupation. Instead, the person elaborates on practical reasons on why being a private music teacher which is not related to job fulfillment. This makes the argument fallacious.

Term
irrelevant humor
Definition

Irrelevant Humour is when information that is not important to the argument is introduced to distract the reader from the main argument. It does not involve lying but a joke is usually brought into the argument to distract even though it has no credibility. It is used to try and win the readers and even if it succeeds it does not mean that the argument itself has been won.

You should always follow the three days rule, wait three days to call a girl after the first date. Where does this rule derive from, it comes from Jesus Himself. He waited three days after dying on the cross to come back, it was perfect. Jesus wants us to wait three days.

The person is arguing that a man should wait three days before calling back a female after the first date. To divert attention from the logic behind the three day rule he makes a funny reference to Jesus but this does not offer an appropriant premise for the conclusion.

Term
argumentum ad lazarum
Definition

This is a fallacy that considers the arguments of someone poor to be more sound and/or more ethical than the arguments of someone who is rich. It appears to be good reasoning because a lot of times we see poor people as having more wisdom and having been through more things in their life, therefore we assume that they are more knowledgeable than they really are and feel comfortable using their poverty as reasoning for an argument. It is not good reasoning because it just is not true, it can’t be proven and being poor is not sufficient or necessary for being correct or having wisdom.

Argumentum ad Lazarum is Latin for Argument to Lazarus. Lazarus was a beggar in a parable from The New Testament.

Term
loaded words
Definition
Loaded words are terms intended to elicit a biased response, attitude, or emotion from the reader. The term loaded words is aptly named in that these words are loaded with certain connotations. One can identify such loaded words by using one's own judgment to tell if the words subjectively push them towards a certain emotional path. Arguments without loaded words are neutral and untinted while arguments using loaded words contain persuasive words that attempt to shade the argument in a more positive or negative light. Arguments with loaded words appear to be good reasoning because they elicit the audience's attention as well as their emotion. They are put in a more vulnerable position in which plausible alternative solutions, compare and contrast situations, and/or other opinions that are offered by the writer are more easily accepted. Due to its persuasive wording, arguments that include loaded words seem to be good reasoning when, in fact, they are not. Loaded words aim to conjure a certain attitude and emotion from the embellished text rather than a rationalized decision from the actual simple and unbiased argument itself. Therefore, persuasion by loaded words is based on the subjective attitudes expressed by the writer rather than the objective facts required for acceptable reasoning.
Term
argumentum ad misericordiam
Definition

The argumentum ad misericordiam is a fallacy in which pity is used instead of reason(s) to sway an audience.

Argumentum ad misericordiam appears to be good reasoning because pity influences emotion. This fallacy encourages the audience to focus on the pitiful aspect(s) in the reasoning and not the true validity and/or soundness of the argument.

Argumentum ad misericordiam is actually not good reasoning because pity is not a good reason to make a concise decision on whether an argument is valid. Pity can cloud our judgment.

According to "Google Translate," and "About.com" argumentum ad misericordiam means argument for mercy or argument for pity.

Term
non-anticipation
Definition
The fallacy of non-anticipation occurs when a new idea is rejected because of the assumption that all wisdom there is to know on the subject is already known. Although it is bad reasoning, people are often times tricked by this fallacy when there is a tendency to favor older and more established ideas rather than new ideas, or if old ideas seem to be adequately supported. The main assumption of the fallacy is not correct due to the fact that the totality of wisdom cannot be assumed. New discoveries and ideas are presented to the world constantly, and to assume that we know all that there is to know on any given subject is to suppose that our ancestors and us have discovered all the wisdom there already is, which there is no justification for.
Term
argumentum ad novitam
Definition
Argumentum Ad Novitam is a fallacy in which it is claimed or asserted that something is more correct or better simply because it is new or better because it is newer. This fallacy is general used to persuade people to believe in or buy a certain object just because it is new. Argumentum Ad Novitam appears to be good reasoning because newer ideas or objects are perceived to work better with better technology and advancements than older ones. However, it is actually not good reasoning because new objects and ideas may heave bugs and glitches and do not have the testing and proven track record of older ideas and objects. The English translation of Argumentum ad novitam is literally “proof to newness”.
Term
Argumentam ad numeram
Definition
Argumentam ad numeram is a fallacy in which a person wrongly associates the amount of support a claim receives with the correctness of it. This is often thought to be a good argument because people generally believe that mass support indicates correctness. In reality, the numbers in support of a claim do not affect the truthfulness of that claim. Argumentam ad numeram is literally translated as "argue in numbers."
Term
one-sided assessment
Definition
The fallacy of One-sided assessment occurs when the arguer only gives one reason or only considers one side of the argument. They might only consider the pros or the cons of a particular decision, but not both. People could confuse this for good reasoning due to the fact that it gives good reasons for or against a certain argument. However, the other reasons aren't taken into account.
Term
poisoning the well
Definition
Poisoning the Well is a fallacy that strikes the credibility of a group that opposes a side of an argument. It gets its name from the idea of someone poisoning a well in order to taint all the water inside the well, making it toxic and unable to be used. In an argument, if an opposing view is initially criticized or portrayed in a bad light by someone, the credibility of anyone who supports the poisoned view is ultimately ruined, and anything said after that criticism will be less effective towards winning their argument and winning over anyone who has already been directed to question the arguing viewpoint’s credibility by the fallacy. This fallacy will sometimes go unnoticed because it gives the appearance of being relevant to the argument, and when slyly incorporated, it can make the person committing the fallacy slightly more credible than his opponent by devaluing his opponent’s reputation and whole argument.
Term
Argumentum ad populum
Definition
Argumentum ad populum, also known as appeal to the people is essentially an argument that states if something is popular, then it is true
Term
post hoc ergo propter hoc
Definition

Latin phrase which translates to "after this, therefore because of this." This is a logical fallacy. The fallacy says "Event y followed event x. So event x must have caused event y."

This fallacy appears to be good reasoning because the two events may be related and one event precedes the other. The event that occurs first can easily be mistaken for the cause of the second event because of the order.

However, just because these two events are in correlation with one another is not sufficient enough to state that the first event caused the second.

Term
red herring
Definition

A Red Herring is a fallacious distraction. When a topic is brought up that an individual does not want to discuss, that same individual will smoothly try to change the subject of the argument and steer the other person/people in a new direction of conversation, a conversation that they think the other will be interested in discussing. The premises are irrelevant to the conclusion in this fallacy because the the speaker changes the argument and therefore changes the conclusion. The audience can identify the fallacious argument by noting the change in conversation that moves away from the topic being discussed. Though it appears to be good reasoning because it may trick the other person, the premise/s do not force the conclusion because the conclusion changes. The red herring can mislead an individual and change the argument without the individual even realizing it. This can potentially result in good reasoning if the speaker gets away with the argument. On the other hand, it is faulty reasoning because the speaker changes his/her conclusion.


Latin Word: Ignoratio Elenchi- Ignorance of refutation; irrelevant thesis.

Term
refuting the example
Definition
This logical fallacy operates by attempting to discredit an argument on the basis of one bad example, rather than its central thesis. Refuting the argument can involve disputing irrelevant information. This fallacy can be confused with good reasoning because it does point out some error in the arguer's statement, but pointing out one bad example is not enough to dismantle what could be an otherwise valid argument.
Term
runaway train
Definition

Speaker: "If food prices keep going up, fewer people will be able to afford to eat. Eventually everyone will starve because they can't afford to buy any food."

This example states that rising food prices will preclude most people from being able to afford to eat. This is an example of runaway train because it sets only one way for people to obtain food: that which is commercially grown and sold at the grocery store. This fallacy forgets that some people grow their own food, belong to a co-op or shop at a local farmer's market. Further, eating is a necessity of the human condition. No one can survive without eating. The market for food will not out price consumers, nor would the government allow it. So rising food costs will not result in starvation.

Term
secundum quid
Definition

Richard Nixon, Ronald Reagan, Bill Clinton and George W. Bush were all politicians and have all lied to the American People about something. All politicians are liars.

In this example the arguer is trying to argue that all politicians are liars using the examples of recent presidents that we know have lied to the American people. The premise is that because these four men are politicians and told notable lies. While this conclusion may be true depending on one's definition of a liar, this argument is not the proper way to prove it. A generalization of every politician based on the actions of four men is a fallacious argument. The arguer would have to take every politician and find examples of all of them lying to prove the argument like this.

Term
shifting the burden of proof
Definition

I happen to know that Santa Clause is real. You may not believe it, but can you give me any definite proof to the contrary?"

This example points out how ridiculous this form of argument is using an example that most sane adults know to be untrue. The arguer is trying to prove the existence of Santa Clause with the premise that if you cannot disprove something, it must be real or true. We know that Santa Clause cannot exist but there is no plausible proof that someone can give just as someone cannot disprove the "boogie man" or ghosts. An arguer needs to prove their own conclusion without demanding the other person to disprove it. Even if there were a Santa Clause, simply asking for proof of his non-existence is not a valid argument.

Term
slippery slope
Definition
The slippery slope is a logical fallacy which assumes that one step in a process usually tends to lead to other significant events or results that are related to this first step. Often this first action is considered a bad one because it leads to undesired results. Therefore this step should never be taken in the first place. It is called a slippery slope because if one regrettable step is taken, then one will "slip down the slope" towards unfavorable results. It appears to be good reasoning simply because one bad step in a sequence can lead to more bad choices or outcomes. It is fallacious, however, because part of a sequence can occur without resulting in negative outcomes.
Term
special pleading
Definition
The special pleading fallacy exists when rules or standards do not apply consistently across all arguments. The easiest way to think of this fallacy is like a person having double standards. In most cases people bend the rules to favor their argument.
Term
straw man
Definition
The straw man acts just like the title implies. The speaker tries to win favor by negatively rewording and/or exaggerating what their opponent said. It can come off as strong point, but really it is an exaggeration of a less intense or more neutral viewpoint of an opponent. It is typically used when you have nothing better to counter your opponent with so exaggerate or embellish a previous statement of theirs to make them look bad. It’s a form of misrepresentation that is best used when the opponent has no time to clarify your statement. A Straw Man fallacy is faulty reasoning because, you are not contesting an opponent's argument or opinion, but you are making false accusations from their argument or opinion .
Term
Thatcher’s blame
Definition

Thatcher's blame fallacy is committed when an event/decision is condemn of being horrible no matter the result. The event/decision is already destined to be awful in the arguer's eyes, either way.

To commit this fallacy, the arguer already has determined his/her side without really getting into the evidence of the situation. An example of this would be when a voter votes based only upon their party identification.

Term
trivial objections
Definition
Trivial Objections are made to divert attention from the matter at hand, leaving the main argument untouched.
Term
tu quoque
Definition
When the arguer is guilty of what he/she is arguing for. Hypocrite
Term
unobtainable perfection
Definition
Unobtainable Perfection is a fallacy that occurs when we as individuals take an idea that is a solution to a problem or a dilemma and completely reject, disavow, or dis-credit it simply because that idea is not a total solution for a problem. The proposed solution that is dis-credited in the unobtainable perfection fallacy could even be the best solution to the given problem, yet is still rejected because of the fact that it is not total in its scope. Unobtainable perfection can amount to faulty reasoning because it discounts solutions that objectively help reduce a given problematic circumstance. No matter how well these ideas or solutions work in practice or theory they are naively pushed aside on the basis that they do not completely solve a problem. This particular fallacy might be mistaken for "good reasoning" because it is appears to be realistic or pragmatic to some people. It taps into frustration of a given salient circumstance and begs the question, "Why bother?... will it even make a difference if we try A or B if it will not eliminate C?"
Term
argumentum ad verecundiam
Definition
(Latin - argument of shame) is a type of logical fallacy which employs the use of a false authority.
Term
wishful thinking
Definition
one bases an argument on something that he wishes to be true, and therefore takes it as truth.
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