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Questions tagged [fallacies]

concerns logical fallacies, which are errors in the logic or reasoning of an argument that result in a misconception or presumption

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What's the name of the logical fallacy where a debater extends a statement far beyond the original statement to make it true?

Suppose that someone initially states that "fossil fuel consumption due to mobile phone usage is similar to that of private transportation, so if you think we should switch to electric/bike to fight ...
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Does this fallacy have a name?

Consider the following argument for a claim X: Present proof of statement X', which is similar to but different from X (and doesn‘t imply it). Conclude that X holds. Example: Polls show that 80% ...
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Is there any rational justification to the counterargument “I refuse to answer your question on the basis that it is a hypothetical question?”

This is a common contention that comes up in heated debates. It seems to me like it qualifies as a non sequitur and a red herring. Possibly a different fallacy that I am unaware of. I would like to ...
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Why is it logical to invoke an uncreated universe with no intelligent design?

How can an atheist invoke an uncreated universe with no intelligent design and assert its logical consistency? Why is it logical? By moving the goal post to aliens seeded earth from another universe,...
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Logical notation

I'm currently debating with someone whether something could be considered possible because we have no evidence that it's impossible. He made the statement that: "All things are possible which are not ...
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Is it a fallacy to say “A = B therefore more A = more B?”

For example, 70% nominal tax rate leads to more growth, therefore, 100% nominal tax rate must lead to the most growth.
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Pragmatism: A one-sided view? [closed]

Pragmatism, as defined by William James, seems to suggest a one-sided view of things, not by their essence, but by their effects. It seems to be one-sided, in that it does not seek knowledge of the ...
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Name for reverse Ad Hominem, (i.e. praising the defense)?

Is there a standard name for a fallacy of the same form as an ad hominem, except that instead of denouncing the opposition, it praises the defense? Typically an ad hominem ("against the man") fallacy ...
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A Problem With Kripke's Rule-Following Paradox Example?

It seems that there is a problem with the example that Saul Kripke gives in "Wittgenstein on Rules and Private Language" to explain Wittgenstein's rule-following paradox. I'm not asking about the ...
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What is the name of the “undeserved profits” fallacy?

I see this type of inference made a lot, for example in the context of distributional justice: A makes an investment. He thinks this investment was a rational decision, until he learns that B also ...
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Is anything not proven impossible therefore possible?

Is it a truism that, except for that which is proven impossible, everything is or must be considered possible? If so, why? It seems to me to be an argument from ignorance to say that just because we ...
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reductio ad absurdum vs. argument by lack of imagination

A reductio ad absurdum is a correct way to argue. An argument by lack of imagination is an informal fallacy. But if a reductio ad absurdum is applied outside of a highly formalized setting like ...
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Where is the fallacy here?

Where is the fallacy here: whatever is natural is not unnatural whatever is unnatural is not natural the phenomenon of cats being born into this world is natural the phenomenon of rabbits being born ...
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How would you describe it when someone uses the hypothetical to undermine an idea?

Here is the scenario. I'm working with a different technology for programming and I present it to my co-worker who is not up-to-speed on the new technology. He replies that there may be some ...
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1answer
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Help with logical fallacy

There’s a fallacy presented when someone makes the argument that more of A on some continuum is bad(good) but rejects the idea that less of A is good(bad) thus reducing to either the current status is ...
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How does philosophy not fall into the confirmation bias?

Daoism and Buddhism in Eastern philosophies emphasize adaptation and flexibility, and critique rationality. They have different frameworks to understand the same phenomenon, and different goals for ...
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Is there a fallacy

I want to know if there is a fallacy in this type of conversation. CA=Country A and  HRA=Human Right Association Example: CA: it is now gonna be forbidden in CA for feminist to express their ...
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Is it a fallacy if someone claims they need an explanation for every word of your argument to the point where they don't understand common terms?

Is it a fallacy if someone claims they need an explanation for every word of your argument to the point where they don't understand common terms? For example, suppose someone said, "If a dog bites ...
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I have trouble understanding this fallacy: “If A, then B. Therefore if not-B, then not-A.”

About "If A, then B. Therefore, if not-B, then not-A": From what I understand the conclusion is wrong, because it is not said that A is a sufficient condition for B, (and there may be other ...
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If victims are too sad about a sunk cost's reason to pay it again, how's their unwillingness the Sunk Cost Fallacy?

For hypotheticals 1-5 beneath, pretend that the setback (loss of the money in 1-2, snowstorm in 4, or tennis elbow in 5) upset the victim so much that he can no longer enjoy, and so abandons, the ...
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What is the logical fallacy for checking the wrong law?

This is not a real story (as far as I'm aware), just a context to ask a question about logical fallacies: Susan hunted wolves with her rifle from the bed of a pickup truck while her friend drove ...
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If A is used to do x, when is x related to A? [migrated]

There is a meta aspect to this question. Let's say Stack Exchange A allows questions about A and its uses. The question may take the form of: is it legal to use A to do x? The answers can be: Yes No ...
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Are all fallacies created equal?

That is, are some fallacies considered worse than others, or does each fallacy have the same weight? For example, are formal fallacies considered "worse" than informal fallacies or vice versa? For ...
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Names for most popular taxonomies of informal fallacies?

Informal fallacies are not formal, so as might be expected, there exists no prevailing standard taxonomy. Various books on logic and logical fallacies organize fallacies differently, (see chapter ...
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Is there a name for the idea of inherent bias in an authority figure or expert?

We often appeal to experts and authorities due to the usefulness of their acquired knowledge, and a lot of the time, this is a fairly sensible thing to do. However, very often, I feel like there is a ...
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What logical fallacy is “If you don't like it, move!”?

When criticizing government, society or whatever, people often retort, "If you don't like America, why don't you move somewhere else?" What kind of fallacy would this qualify as? At first glance, it ...
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Which fallacy is “if not P, not Q. P. Therefore Q”?

“If you don’t go to the doctor tomorrow, you won’t get better. You will go to the doctor tomorrow. So, you will get better.” What kind of fallacy does this argument fall under? I have a suspicion it’...
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What is the fallacy regarding knowing someone who is X therefore you know about topics regarding X

What is the name of the fallacy that goes along the lines of: My brother is a doctor so I can claim arguments about medicine.
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What is the fallacy when someone refuses to be specific

A Muslim apologist was debating two Atheists on DW channel in Arabic, the host asked him whether he agrees with "executing atheist apostates". The Muslim apologist knows that apostates are to be ...
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What is the name of this logical fallacy

What is the name of the fallacy: "If you buy XXX, which is expensive, then you would also buy YYY, because if you spent so much on XXX then you would spend as much on YYY." The fallacy implies that ...
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Is this discussion fallacious?

I heard people having this kind of discussion. I don't know why it sounded a bit off, but I want to know if it was just me or if there is a fallacy here somewhere. Person 1 = X Person 2 = Y X: ...
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What's a name for the fallacy of concluding something must be based on truth because it is successful?

I have noticed a type of fallacious reasoning that conflates truth and success. For example, a company might assume their predictive models are correct because these models make the company more money....
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What fallacy is assuming something is the case because of past events

I'm sure this is a simple question. What I am referring to is disbelieving someone on Day 20 because they have lied every day previous to Day 20. Another example is the boy who cried wolf. The 50th ...
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Affirming the Consequent Reasoning You See in Everyday Life

What are common examples of affirming the consequent reasoning you see in everyday life?
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Fallacy identification

I have been seeing a lot of “if you_____then you____ .” fallacy in communication lately. Examples would be “If you don’t support “Black Life’s Matter then you hate black people” “If you didn’t vote ...
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What fallacy, paradox or cognitive bias is this? [closed]

You do an advertisement, "Lowest price in town", but a vast majority of people now suspect that your prices are not the lowest. They now start hunting around for lower prices than yours and they ...
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Is there a fallacy of priorities?

Decisions can be affected by fallacies. Decisions are taken based on subjective knowledge. Knowledge need to be prioritized or decisions can lead to death. I find that this is the most extended ...
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Is a selfish action that helps others worthy of praise?

TL:DR Is a selfish man who only does stuff for his own benefit, worthy of praise if his actions just so happen to help others? (And am I wrong in assuming someone always attempts to gain something?). ...
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1answer
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What fallacy is this?

I am curious about what fallacy the following kind of reasoning represents. Let's say we are questioning if something is true. I would argue that in order for us to question if something is true we ...
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What kind of fallacy is this (resembles false cause)?

An African leader dispatches troops to the border of a neighboring country. A critic who happens to be a white U.S. citizen says, "That man's a militaristic bully!" One of the African leaders' ...
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Is this an example of Undistributed Middle?

Is this an example of Undistributed Middle? John is not a teenager, since all teenagers are impulsive, and John is not impulsive.
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Is this an example of False Cause?

Is this an example of False Cause? When the small boy said his prayers at night, he did not wet the bed. However, he forgot to pray one evening and he wet the bed. This must be the reason why this ...
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Is this an example of Denying the Antecedent?

Is this an example of Denying the Antecedent? Harry is not an inexperienced driver, and thus must not be irrational, seeing as all inexperienced drivers are irrational. At first, I thought it was ...
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Fallacy on invalidation and conclusions

have recently been studying the philosophy of reasoning and have thought of these questions that I am having a bit of trouble answering. If an argument commits a fallacy, it is invalid. That is true, ...
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What were the main sophistical methods according to Plato?

In her paper Modern Moral Philosophy, G. E. M. Anscombe used the phrase "sophistical methods" and "his procedures are certainly sophistical" (page 3 of the linked file). I assume this meant something ...
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What's the fallacy of relevance here?

To know absolutely that there is no God one must have infinite knowledge. But to have infinite knowledge one would have to be God. it is impossible to be God and an atheist at the same time. Atheists ...
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1answer
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Common name of “overgeneralization” logical fallacy

There is a fallacy (I believe) that I see committed often that goes something like this (super contrived example): X does not care if Joe stole Bob's car. X doesn't even know Joe or Bob. Y states ...
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Is it scientific or a logical error to claim something is true because I can't think of another explanation

The situation Let's say, someone is wrong on the internet. She says The forums on that newspaper article is closed. Apparently the newspaper want to suppress public debate. I reply: That's ...
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Does an informal logical fallacy require deception?

Bo Bennett's criteria distinguishing a logical fallacy from a pseudo-logical fallacy has three parts. The third part is: It must be deceptive in that it often fools the average adult. ...
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What's the fallacy when someone asks a question and then answers it themselves?

Example: "Why didn't you compete in the annual sports event? It was because you knew that you'd lose anyway!" Or, "How did he run that fast? he must've taken steroids" It falls under unwarranted ...