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A valid deductive argument will have a valid premise and conclusion and a fallacy may be true, it all matters on how you came to the conclusion.

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Q: What is the difference between a valid deductive argument and a fallacy?
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Which fallacy occurs when there is an error in inductive or deductive reasoning?

mazda


What is the equivalence fallacy?

An Equivalence fallacy is the error of defining distinct and conflicting items in similar terms, thus equating tow items that are not, in fact, equal. An author who suggests that one act of serious wrongdoing does not differ from a minor offence commits the fallacy of moral equivalence. A different kind of Equivalence Fallacy is used when, for example, a politician argues: "Yes, I used illegal money to fund my campaign ... but so did my opponent!" This type of moral equivalence fallacy is called the "tu quo" argument ("But you're one too!").


What are the difference between affirmative syllogism to negative syllogism?

Affirmative Syllogism: All P are Q X is a P X is a Q Negative Syllogism: All P are Q X is not a Q X is not P Both syllogisms are always valid. but dont be fooled by their evil twins the fallacy of affirmation and the fallacy of negation.


What is the origin of the word 'fallacy'?

The origin of the word fallacy dates back to 1350-1400. The word fallacy means deceptive or misleading. As a simple example, when one says the world is flat it is a complete fallacy.


What does ad dictum secundum quid mean?

The informal fallacy of accident (also called destroying the exception or a dicto simpliciter ad dictum secundum quid) is a deductively valid but unsound argument occurring in statistical syllogisms (an argument based on a generalization) when an exception to a rule of thumb is ignored. It is one of the thirteen fallacies originally identified by Aristotle. The fallacy occurs when one attempts to apply a general rule to an irrelevant situation. For example: Cutting people with knives is a crime. → Surgeons cut people with knives. → Surgeons are criminals.

Related questions

What is the difference between a fallacy and a stereotype?

Fallacy is a general term for unsound logic or unreasonable argument. Stereotype is a particular fallacy; that of illusory correlation.


What if an argument does not commit a fallacy?

If an argument does not commit a fallacy, it does not necessarily mean that the argument is sound. A fallacy is an argument that uses poor reasoning.


Which fallacy occurs when there is an error in inductive or deductive reasoning?

mazda


What are the benefits of studing logic?

Logic is an important subject because it teaches relation. This has far reaching effects beyond mathematics, where it is often studied. It teaches deductive reasoning, such as the difference between reason and fallacy.


A fallacy is basically a what?

A fallacy is basically an argument with poor reasoning. An argument can be considered to be fallacious even if the conclusion is true or not.


How is propaganda different from argument?

Propaganda is usually the telling of lies to prove one's assumptions."Logical fallacies" include many categories and refers to an incorrect use of logic.Propaganda is almost always full of logical fallacies.-----------------One of the definitions of Propoganda that I like best is from Professor Randal Marlin of Carleton University in Ottawa (http://en.wikipedia.org/wiki/Randal_Marlin):The organized attempt through communication to affect belief or action or inculcate attitudes in a large audience in ways that circumvent or suppress an individual's adequately informed, rational, reflective judgmentIn logic and rhetoric, a fallacy is a misconception resulting from incorrect reasoning in argumentation. By accident or design, fallacies may exploit emotional triggers in the listener or interlocutor (e.g. appeal to emotion), or take advantage of social relationships between people (e.g. argument from authority). Fallacious arguments are often structured using rhetorical patterns that obscure the logical argument, making fallacies more difficult to diagnose. Also, the components of the fallacy may be spread out over separate arguments.In philosophy, the term logical fallacy properly refers to a formal fallacy: a flaw in the structure of a deductive argument which renders the argument invalid.However, it is often used more generally in informal discourse to mean an argument which is problematic for any reason, and thus encompasses informal fallacies as well as formal fallacies. - valid but unsound claims or bad nondeductive argumentation - .The presence of a formal fallacy in a deductive argument does not imply anything about the argument's premises or its conclusion (see fallacy fallacy). Both may actually be true, or even more probable as a result of the argument (e.g., appeal to authority), but the deductive argument is still invalid because the conclusion does not follow from the premises in the manner described. By extension, an argument can contain a formal fallacy even if the argument is not a deductive one; for instance an inductive argument that incorrectly applies principles of probability or causality can be said to commit a formal fallacy.Summary:As the first contributor noted Propaganda usually includes fallacies of some sort (erroneous or misleading presentation of information) that skew the facts towards the perspective of the presenter.


What is the difference between formal and informal speech?

A fallacy is a mistaken belief. A formal fallacy is one in which the argument itself is wrong, which makes it always wrong. An informal fallacy is one in which the reasoning is wrong, not the form of the argument itself.


What will make an argument weaker?

fallacy


What is a misleading argument called?

Fallacy


What type of fallacy is used here?

Without knowing the specific statement or argument in question, I can't determine the fallacy being used. If you provide the statement or argument, I can help identify the fallacy.


What are five impediments to critical thinking?

Ad Hoc Hypothesis Argument from Authority Argument to Ignorance Argument From Incredulity Bandwagon Effect Begging the Question Anecdotal Evidence Correlation Evidence Circular Reasoning Conjunction Fallacy Either/Or Dichotomy False Analogy Golden Mean Fallacy Many Questions Fallacy Post Hoc Fallacy Pragmatic Fallacy Sunk-Cost Fallacy


What does a fallacy do to an argument in a debat?

it makes it weaker