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 do you call the fallacy of thinking that some action A will guarantee some outcome B, when in reality B depends on multiple other conditions?

Example: Dentist: “You have multiple cavities.” Patient: “That’s ridiculous! You always told me that brushing my teeth prevents cavities. I brush my teeth every night. Therefore, I can’t possibly ...
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logical fallacy (or pseudo-logical, or rhetoric) corresponding to unduly extending my argument to make it false

This is probably similar to my preceding question: What's the name of the logical fallacy where a debater extends a statement far beyond the original statement to make it true? but I'm not sure ...
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Is this ad hominem or in general acceptable behavior during an argument?

Person A: What is considered socially acceptable should be common sense regardless of outside influences. Person B: What is considered common sense or obvious can be very different depending on ...
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Looking for existing discourse on the category of fallacies exemplified by “paradox of tolerance”

Popper coined the phrase "paradox of tolerance" when discussing how unlimited tolerance is self-contradictory (paradoxical) in that it precludes self-preservation (resisting intolerance). The seeming ...
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What is the meaning of Logos?

While trying to ascertain a better understanding on the topic of Logos, I interpret from a offering a more modern view that it is "a logic that recycles God into a mind hiding through sign-...
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Is there a “hierarchical” or “webbing” pattern to logical/cognitive fallacies?

Is there a "hierarchical" or "webbing" pattern to logical/cognitive fallacies? Something that I've thought. Some fallacies may be related to others and the idea is that "if one does one, then it may ...
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((P=P)=(-P=-P)) -> negation of (P or -P)

True or False and why? Forgive the lack of clearer notation, this was typed on an ipad. P equals P is equivalent to -P equals -P, which is further equivalent to P = -P considering both P and - P ...
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What fallacy is arguing from something being more X to it being completely X?

What fallacy is arguing from something being more X to it being completely X? An example to illustrate: The sea is more blue than the sky, so the sea is just blue, has no red etc. It could be ...
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152 views

How do you measure circular reasoning? [closed]

How do you measure circular reasoning?
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What is “circular logic” argument?

I read from this link : If the the bible is true God exists, and if God exists the bible is true While both claims still have the same very low probability, it is now a more coherent – ...
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What kind of fallacy is “Appeal to Force”?

What kind of fallacy is "Appeal to Force"? Here is a definition: https://www.logicallyfallacious.com/tools/lp/Bo/LogicalFallacies/34/Appeal-to-Force This confuses me, because, to be honest, I think ...
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If a person claims to know anything could it be disproven by saying 'prove that we are not in a simulation'?

Everyone starts out at 0 and if anyone wants to say that they know something they have to prove that claim. Is the counter to this person claiming that they know something logically correct? Person ...
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Is there a fallacy about “appeal to 'big words'”?

Is there a fallacy about "appeal to 'big words'"? What I refer to are statements often encountered in political or economic rhetoric. An argument would go like this: Because of New Keynesianism, ...
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Do percentages of negative things in a given sample matter more or less than the quantity of negative things?

Do percentages of negative things in a given sample matter more or less than the quantity of negative things? And is there a name for this concept? Is it some sort of fallacy to appeal to percentages? ...
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What kind of fallacy is this? (resembles faulty comparison + red herring)

Imagine a corporation (SodaWorld) that has been caught doing some bad things. It’s selling beverages that are contaminated with lead. In addition, it’s revealed that the company pays no taxes, and, ...
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Presenting an example, then claiming the other person needs more information before using the same example - is either of us making a fallacy?

I recently had a conversation with someone in which they used an example to illustrate a point: "For example, if you tell me something [which isn't scientifically proven to be effective] works ...
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Is determinism logically flawed?

If determinism is true, every event shall have a cause. So, what is the cause of the first event (which is the first cause)? Conflict (paradox): 1) every event shall have a cause -> First event/...
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What is the name of the fallacy where acknowledging an issue is confused with actually addressing the issue?

A few days ago an artist came to present his work to our class. At the beginning of his presentation he said "I know cultural appropriation is a very loaded topic, and it occupies my mind often" as ...
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How is “pointing out whataboutism” a form of tu quoque fallacy?

In the Wikipedia article, whataboutism is defined as a tu quoque fallacy, yet later on it is said that the accusation itself is a form of tu quoque fallacy. How so? Christian Christensen, Professor ...
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When is pointing out a person's hypocrisy not considered to be a logical fallacy?

People keep using the word "whataboutism" and it seems people don't really know what it means, and I don't see how it's a logical fallacy if it's a very good argument. For instance, if the U.S. says ...
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Which is the name of this fallacy?

If it has a certain name, which is it? The fallacy consist in denying value of an idea due to the validity of other ideas from the same source. Example: "How can you trust the opinion on any ...
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Is there a word for the type of rhetorical strategy where you distract from the point in order to seem authoritative?

Is there a word for distracting someone from the topic of the argument, and using the authority they have established in the mean time to (fallaciously) prove their original point? An example I ...
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What fallacy is committed when one argues that a conclusion is false simply because the person arguing it has lied before?

For example, suppose I were to make the claim: President Trump says climate change is false. President Trump has lied before; therefore, climate change is true.
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Does it mean that argument from ignorance can be non-fallacious?

Particular type of "argument from ignorance" is "absence of evidence is evidence of absence." I have proof that it's in fact true. Does it mean that argument from ignorance can be right? If not - ...
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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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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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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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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 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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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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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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“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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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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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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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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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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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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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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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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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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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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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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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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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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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 ...