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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Do malformed propositions have True/False values?

Many people are familiar with the malformed questions that, no matter which way they are answered, reflect poorly on the person to whom they were asked. For example: Have you stopped beating your ...
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How fallacious is tu quoque or look-who's-talking fallacy?

It is a very common fallacy that I've seen in many circles - In the world of media and in everyday life. In some cases it doesn't feel like a fallacy, but seems to make a point in that particular ...
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If you invalidate evidence based on where it came from is that the genetic fallacy?

For example if a group of Creationist Scientists presented evidence for their world view, would it be the genetic fallacy to invalidate their evidence because they are Creationists? Edit: there are ...
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Doesn't the upvote/downvote system just encourage the use of the “ad populum” fallacy?

I know that this would also depend on the integrity of the community, but I notice this happening a lot on Quora, and Yahoo answers. A lot of the time, the "best" answers aren't even structured ...
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Is the following statement a fallacy?

You only X because you Y. (with Y being true!) Example: Paul only defends the drug decriminalization because he has never been aggressed by a drug addict. Is this a fallacy? If not, how can we ...
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Is it an ad hominem attack to call somebody a troll?

Case 1: Person A criticizes person B. Person B says "We shouldn't feed the trolls. Best not to engage." Case 2: Person A voices their opinion on an issue being discussed on the forum. Person B says ...
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Philosophical bravado in science

[TLDR: is the argument in the last quotation a fallacy?] I'm an (academic) engineer, and I've been reading some papers on cybernetics from the 1950s and 60s. I found it striking how often the authors ...
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Problem of old evidence

I've come across the so-called "problem of old evidence" in Bayesian statistics/epistemology. First, let me summarize the problem as I see it so we're on the same page. Suppose I have a theory ...
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How's 'Is Tom Brady a cheater?' a 'straw-man expression…'?

Source, penultimate para: 'The Humiliation of Tom Brady', by Ian Crouch, 2015 Jan 23 ♦ “This has raised a lot of uncomfortable conversations from people around this country who view you, a ...
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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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Is it possible to appeal to emotion without commiting a fallacy?

People often make arguments from authority, and not all of them are fallacious. If the given authority is an expert on the discussed field, if there is a consensus among the experts of that field, and ...
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Common fallacy of everything being its worst form [closed]

What is the fallacy of equating everything with its worst example? Slippery slope argument I guess, but I"m looking for something more specific.
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Is it possible to make non-fallacious argument?

This is a list of fallacies: http://en.wikipedia.org/wiki/List_of_fallacies Looking at this list, I can't imagine any non-trivial, non-mathematical (i.e., not a mathematical proof) argument that ...
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Is there a logical fallacy that describes insulting an argument rather than addressing it?

I'm having a net debate and the person is raving about how pathetic my argument is rather than explaining why it is a pathetic argument. I believe its a logical fallacy but I'm not sure.
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Is there a name or category for these misleading propositions?

Example I never lost in tennis against Roger Federer. It's a negation and 'true' but it's misleading. In fact I never played tennis against Federer. I'm looking for a name or a category for ...
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Is the science Physics allowed to ignore the rules of Philosophy of Science resp. the Scientific Method [closed]

The Scientific Method in Science determines that premises, on which a theory is based, must be experimental verified, when possible. It is however possible that theories of the past are based on ...
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Can someone identify the fallacy based on the below example?

I was talking to a small business owner the other day. When asked why they never incorporated in order to limit their liability, their explanation was, to paraphrase, "nothing bad has happened to us ...
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What is the fallacy or bias that causes some to think “fatwa” means “death sentence” called?

Some people think that "fatwa" means "death sentence". From RationalWiki: The best-known sort of fatwa in the West is that which calls for the death of a blasphemer; e.g., the fatwa by ...
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Is there a word for a fallacy made by a listener instead of a speaker?

I've been thinking about misunderstandings that occur when people have philosophical discussions. Often somebody can make an entirely cogent argument, but then the other person misunderstands what has ...
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birds of a feather flock together and guit by association

There is a saying "birds of a feather flock together" which usually boils down to People of similar character, background, or taste tend to congregate or associate with one another. Yet guilt by ...
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The Fallacy of Contraposition for Counterfactuals?

Example: 1.If Boris had gone (to the party), then O would still have gone. 2. Therefore, if O had not gone, then B would not have gone. Analysis: Suppose B wanted to go , but stayed away ... ...
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Analysis of an example - Fallacy of Strengthening the Antecedent

The following continues this question, but I post separately for want of shorter, pithier questions. Analysis: ...I assumed mistakenly that starting at 5 (which is well before 6) would get me to ...
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Intuition - The Fallacy of Transitivity (for Counterfactuals)

I know almost no philosophy so please simplify all feedback. While I understand this Analysis for the example, I still don't understand the general, but deeper reasons for the possible failure of ...
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Intuition - Fallacy of Strengthening the Antecedent

1. What's the intuition behind the wrongness of this Fallacy (the structure of which I typed here)? 2. Please explain why this fallacy is named Strengthening the Antecedent? I guess that R is the ...
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An example - Fallacy of Strengthening the Antecedent

I define S as sentence. I simplify the items in the original example to streamline it. All times are in AM. S1. Necessarily, if [R.] I had started at 5 then [P.] I started before 6. S2. If it ...
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Logically valid but fallacious?

BUT informal fallacies are not limited to problematic arguments but also to problematic techniques in many contexts of rhetoric and argumentation. Thus, it need not be logically invalid to be ...
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Is there a name for a “You benefited therefore you did it” fallacy?

When talking about conspiracies, you often hear things like group X benefited from event Y therefore group X must have caused event Y I'm sure everyone knows lots of examples: 9-11, ISIS, ...
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Equivocation Fallacy: When the context of similarity is not the context of the argument

I often hear or read statements that seem to have a similar type of fallacious reasoning about it. I want to know if there is a name this type of fallacy: Top women chess players have a lower draw ...
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How is this 'implication' valid, about chess for women?

Throughout the history of the game, chess has been dominated by males. More men play the game and more spectators are male. Of course, there are many female chess players in the game today, ...
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“But I'm a good person!” - What logical fallacy is this? And how to argue against it?

In a recent argument, a friend repeatedly countered my claims with ideas of self that had been reinforced over time: But I'm a nice person. I'm self-reflective; I would never do that. I am ...
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What is the name of the following logical fallacy ? Is it really a fallacy?

Suppose, person A fires person B because B behaved unethically and ignored the company's code of conduct. A, however, did not have enough evidence. He later did find evidence, but that doesn't justify ...
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What is the name of the following logical fallacy?

Person 1: "Everything in the universe has a cause, so the universe itself must have a cause" Person 2: "Not necessarily. Think about a brick wall. That's like saying just because the bricks that ...
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Conviction about a system from pseudo-proofs of its truths

I vaguely recall a description about manifestations of the truths offered by a system being pseudo-proofs for that system to be right, in a context in which logical certainty is not possible. Consider ...
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Tu quoque and scientific anti-philosophy [closed]

Unless I misunderstood this recent thread, the scientifically minded can legitimately only believe in science (not philosophy), and what is "robust and reliable", it's just that they don't prove it's ...
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Is appeal to conspiracy a fallacy?

I was kind of wondering this. A lot of people seem to appeal to some kind of conspiracy to support their views. I can think of numerous examples: Anti-Vaccine people claim conspiracy by 'Big ...
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Is “do as caesar does” a fallacy?

Is there a name for the fallacy that to do something one has to do it as its most famous / powerful proponent does? I'm thinking about Marxism.
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What's this fallacy called, when 'we cannot clearly distinguish one thing'?

1. And in this article Russell took on a well-known fallacy that plagues legal as well as political argument. Lawyers all too often argue that if we cannot clearly distinguish one thing from ...
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Help understanding logical fallacies in this statment

I'm trying to understand the arguments and logic that make up the three statements statements below (taken from the graphic novel Persepolis as the government's arguments for making women covering ...
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Is it always wrong to deny the antecedent?

Denying the antecedent: "if p then q,not p, therefore not q" OK that's clearly invalid, but I was recently in an argument with someone who asserted some p in support of some q, and I pointed out that ...
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The Fallacy of Instantaneouity?

I have taughty myself a good deal of fallacies listed here. I did not find the fallacy I am looking for. I presuppose this is a fallacy. If this presupposition is wrong; I would like to know if it is ...
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Logical Form of an Appeal to Probability

How can you express an "Appeal to Probability" argument in a logical notation? Feel free to use any forms or renditions of logic, including APL, as I know there are different symbols that can be used. ...
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How and why is this an equivocation (logical fallacy)?

I tried this reference, but don't perceive the following, at 60%-way down this page: "Nothing is better than" Margarine is better than nothing. Nothing is better than butter. ...
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Why is this an appeal to pity? Is it truly a fallacy?

I tried http://en.wikipedia.org/wiki/Appeal_to_pity. I kmow I flunked every exam, but if I don't pass this course, I'll have to retake it in summer school. You have to let me pass! Why is this ...
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191 views

How to self-learn legal arguments, logic, and reasoning?

What are some readable, eloquent (without legalese) books on arguments, fallacies, logic, and reasoning, as applied and used in law? This question is aimed towards a greenhorn/tenderfoot with ...
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Is this an Ad Hominem attack?

"I can only deduce that if you spout pro-palestinian rhetoric, and ignore that they are the initial aggressor because you aren't concerned with that truth, and you site Youtube as your source (as ...
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Is this a fallacy?

Recently, I've been thinking about constructing an argument consisting of either a tautology or something you can't attack, to make it more convincing. In my opinion this is not allowed and I used to ...
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In postmodernism, is reason and logic an “absolute truth” to be jettisoned? [closed]

I'm interested in but not educated in philosophy. I was having a discussion with an acquaintance who considers himself a postmodernist philosopher. In our discussion, it became clear that, in his ...
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Is Laurence Krauss's statement “something can come from nothing” a misleading statement? [closed]

I’ve been reading/watching all interviews I can find on the topic, but I’ve come up short answering my question. I fear I HAVE understood Laurence Krauss and that it IS as I fear. I really need to ...
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Complete list of logical fallacies [closed]

I have done some reading around philosophy SO and found a lot of known logical 'fallacies'. I have noticed them being used by quite a few individuals around me. I am looking to get as complete as ...
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Fallacy in a Rhetorical Question? “Why do you think…?”

Let's kick it off with an example. Assume someone asks you: "Why do you think/believe elephants are smaller than mosquitoes?" Whilst you have never claimed that you actually think/believe that. The ...