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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 fallacy of diminishing one's faults by pointing out that others are worse?

If someone responds with criticism of his country by pointing to some other less tolerant country and saying, 'See that country? That's called intolerance. And here's you criticizing us.' What is ...
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Does the Fallacy Fallacy make logic useless?

I should add that I'm not a formal student of philosophy and haven't studied it in any serious depth. I just like logic, and logical fallacies. I like to spot them, and I like to debate using them, ...
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Is there a name for an argument like “A implies B; B implies A; therefore A”?

Is there a name for the following false syllogism? A implies B and B implies A therefore A For example: If unicorns exist then they have horns, by the definition of a unicorn. But in order for ...
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Is there an Informal Fallacy for misusing/overidentifying Informal Fallacies in an argument?

I frequently find myself reading discussions where people use Informal Fallacies as if they are invincible battering rams that destroy any argument they encounter. For example, somebody might say "...
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Where can I find logical fallacies in action?

I'm looking for a website that gives logical fallacies in action. Not a video that explains logical fallacies, but a video, say a debate between two people where one of the debators uses a logical ...
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Name of fallacious reasoning about the reality of abstractions

There is a kind of reasoning that is often heard, where the irreality of some abstraction is inferred from the fact that entities that fall under it are not perfectly homogenous. (1) A lot of times ...
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1answer
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Does anyone know of a philosophy which rectifies or considers the following question?

Let's imagine that I began to doubt the validity of one of my arguments, which leads me to question my ability to make rational arguments. And so begin to distrust my intuitive ideas about logic, then ...
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What to do when encountering a logical fallacy?

If I were in an argument, and my opponent was to use perhaps ad hominem and I caught it and pointed it out, what purpose does it serve? May I dismiss his/her argument or can I only acknowledge it as ...
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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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1answer
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What argument styles have only recently been labelled fallacies?

While reading Douglas Walton's "Historical Origins of Argumentum ad Consequentiam", I realized there is at least one argument style that appears reasonable but which has been labelled as a logical ...
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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 know about medicine.
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What would be the name of this fallacy?

Current Indian prime minister had left his wife very early for he was not interested in marriage. Today, a chief minister commented on him - Narendra Modi you cannot take care of your wife, how ...
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What kind of fallacy or false logic is this?

I got into an argument with a friend on MMA fighters and said that any fighter that gets caught PEDs should probably have an asterisk by his record. His defence was that could I say for sure that ...
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1answer
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What is the name of this fallacy?

What is the name of this fallacy? Someones says that because everyone cheats, I also can cheat! Or because someone stole my money, I got penniless and had to stole from someone else!
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How far does the fallaciousness of the recourse to authority fallacy reach?

In all honestly, I've always had a problem with the "recourse to authority" fallacy. In theory it seems all sound and convincing: a claim should be judged purely and solely on the argumentation laid ...
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What is the name of the fallacy where one implies something is false simply because someone evil supported it?

Creationists sometimes argue that Darwinism is wrong because the Nazis used it as a rationale for their eugenics program. We call it a "genetic fallacy" if we try to claim that a theory is wrong ...
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1answer
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If metaphysical grounding of beliefs is not necessary what is to logically compel one to believe anything?

'Grounding' is the notion that 'because of X, Y', X being the reason one can accept Y beyond pragmatic considerations. In this way, X and Y are analogous to cause and effect respectively. If it is ...
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1answer
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Making an irrelevant generalization that dilutes the original argument — what's this fallacy?

Let's consider the following dialogue: A: People should be respectful to X. B: No, people should be respectful to Y. Now Y is a broader class than X. In the above example, say, X = "their ...
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What is it called when an opponent tells you to look up the source of their own claim, yourself?

Someone says: During the time of the dinosaurs CO2 levels were 9000 ppm. We're at 400. Nothing died back then either. Quite the opposite. Life was absolutely gigantic, even the plants were huge. ...
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“I have lied but I am not a liar, and I have done bad things but I am not a bad man.”

What logical fallacy would this be? I am doing a project and I need to identify what kind of logical fallacy this would represent.
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1answer
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Is the golden hammer fallacy a real fallacy?

Bo Bennet calls the golden hammer a pseudo-logical fallacy and describes it thus: Proposing the same type of solution to different types of problems. This is more of an error in creativity or ...
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What is the difference between a formal fallacy and an informal fallacy?

I am trying to find a clear definition of a formal fallacy and an informal fallacy. Wikipedia gives the following definition: Informal fallacies – arguments that are fallacious for reasons other ...
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What is the name of this logical fallacy: Why should your god be the one?

Even if there is a deity, why should your god be the one? This is a common response from the nonbelievers. I assert that it is a logical fallacy, not because the statement in itself is totally ...
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Are all fallacious arguments invalid?

Is it possible for an argument that contains a fallacy to be valid? I have been told that fallacious arguments by definition are invalid. Is this true? Thanks!
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The more you know, the more you don't know

What is wrong with the following argument? The more you study, the more you learn. The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know....
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Deduction vs Induction — are they equally valid?

I've been reading on deduction vs induction as two primary modes of reasoning. Can't exactly remember where but I have also seen deduction being described as backward and induction as forward thinking....
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Why is the anecdotal fallacy a fallacy?

Why is the anecdotal fallacy a fallacy? I want to know why personal testimony is important in a court of law but in a debate it is considered invalid? And why is the claim of seeing a spirit met ...
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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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Is there a concept that relates to the idea of a “snuck premise”?

In this video around 6:00 into it, Charisma on Command channel, "7 Reasons Ben Shapiro Is So Dominant in Debates" https://www.youtube.com/watch?v=JY5t6iUzajk the concept of a "snuck premise" is ...
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Is it a fallacy to claim someone is committing a fallacy without explaining why?

Making use of an argument about a subject X, Person 1 presents his view to Person 2. Then Person 2, who is against that position, simply makes the following claim: "Hey dude, you have committed the ...
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Why do there exist “logical fallacies” that are not really consistent logical fallacies?

Why do there exist "logical fallacies" that are not really consistent logical fallacies? By logical fallacy, consider e.g. ad hominem. By consistent logical fallacy I refer to a type of logical ...
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1answer
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Name of “then you also cannot” pseudo argument

There are two parties, P1 and P2. There are two behaviors B1 and B2, which both parties agree are ethically undesirable or at least questionable. P1 consciously refrains from B1, but not from B2, ...
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Fallacy of affirming the consequent or of denying the antecedent? [closed]

If patient has condition X, then we would see symptoms A, B and C. We do see symptoms, A, B and C. So the patient must have condition X. Is it the fallacy of affirming the consequent or the fallacy ...
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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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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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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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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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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 ...