What fallacy is a logical chain of reasoning?

Equivocation in a syllogism (a chain of reasoning) produces a fallacy of four terms (quaternio terminorum). Below are some examples: Since only man [human] is rational.

What are the 5 fallacies of reasoning?

Let us consider five of the most common informal logical fallacies—arguments that may sound convincing but actually rely on a flaw in logic.

  • (1) Red Herring Fallacy. …
  • (2) Strawman Fallacy. …
  • (3) Slippery Slope Fallacy. …
  • (4) Begging the Question Fallacy. …
  • (5) Post Hoc Fallacy.


What is the fallacy of deductive reasoning?

A deductive fallacy is defined as a deductive argument that is invalid. The argument itself could have true premises, but still have a false conclusion. Thus, a deductive fallacy is a fallacy where deduction goes wrong, and is no longer a logical process.

What do you call the type of fallacy which is a logical chain of reasoning of a term or a word several times but giving the particular word a different meaning each time?

The equivocation fallacy

Summary and conclusions



The equivocation fallacy is a logical fallacy that involves alternating between different meanings of a word or phrase, in a way that renders the argument that contains them unsound.

What are logical fallacies examples?

Examples of logical fallacies

  • The correlation/causation fallacy. …
  • The bandwagon fallacy. …
  • The anecdotal evidence fallacy. …
  • The straw man fallacy. …
  • The false dilemma fallacy. …
  • The slothful induction fallacy. …
  • The hasty generalization fallacy. …
  • The middle ground fallacy.

What is a fallacy example?

Example: “People have been trying for centuries to prove that God exists. But no one has yet been able to prove it. Therefore, God does not exist.” Here’s an opposing argument that commits the same fallacy: “People have been trying for years to prove that God does not exist. But no one has yet been able to prove it.

What is this fallacy?

Fallacies are common errors in reasoning that will undermine the logic of your argument. Fallacies can be either illegitimate arguments or irrelevant points, and are often identified because they lack evidence that supports their claim.

What is a slippery slope fallacy?

slippery slope argument, in logic, the fallacy of arguing that a certain course of action is undesirable or that a certain proposition is implausible because it leads to an undesirable or implausible conclusion via a series of tenuously connected premises, each of which is understood to lead, causally or logically, to …

How many fallacies are there?

There are three commonly recognized versions of the fallacy. The abusive ad hominem fallacy involves saying that someone’s view should not be accepted because they have some unfavorable property.

What is fallacies and its types?

Logical fallacies are flawed, deceptive, or false arguments that can be proven wrong with reasoning. There are two main types of fallacies: A formal fallacy is an argument with a premise and conclusion that doesn’t hold up to scrutiny. An informal fallacy is an error in the form, content, or context of the argument.

How do you identify fallacies?

To spot logical fallacies, look for bad proof, the wrong number of choices, or a disconnect between the proof and the conclusion. Identify bad proofs. A bad proof can be a false comparison.

What are fallacies quizlet?

fallacy. an argument marked by false or invalid reasoning.

What are the three fallacies?

Species of Fallacious Arguments. The common fallacies are usefully divided into three categories: Fallacies of Relevance, Fallacies of Unacceptable Premises, and Formal Fallacies. Many of these fallacies have Latin names, perhaps because medieval philosophers were particularly interested in informal logic.

Which of the following fallacies is also referred to as a false dilemma quizlet?

False Dilemma – (also known as: false dichotomy*, the either-or fallacy, either-or reasoning, fallacy of false choice, fallacy of false alternatives, black-and-white thinking, the fallacy of exhaustive hypotheses, bifurcation, excluded middle, no middle ground, polarization)

What is the fallacy of false dilemma?

Sometimes called the “either-or” fallacy, a false dilemma is a logical fallacy that presents only two options or sides when there are many options or sides. Essentially, a false dilemma presents a “black and white” kind of thinking when there are actually many shades of gray.

What is an example of a false cause fallacy?

FAULTY CAUSE AND EFFECT (post hoc, ergo propter hoc). This fallacy falsely assumes that one event causes another. Often a reader will mistake a time connection for a cause-effect connection. EXAMPLES: Every time I wash my car, it rains. Our garage sale made lots of money before Joan showed up.

Are all dilemmas fallacies?

Of course, not all dilemmas are false. In some cases there really are no good options. The fallacy of False Dilemma has the same formal structure as a “true” dilemma, so it is easy to mistake the one for the other.

Is ought fallacy example?

Examples: We do not currently regulate the amount of nicotine in an individual cigarette; therefore we need not do this. If nature does not make it, we shouldn’t have it. We’ve always had Bonfire, so we always should.

What is normative fallacy?

The Normative Fallacy occurs, rather, when someone attempts to argue that something is not the case or is the case based on a set of ideological, ethical, moral, political, or other normative commitments.

What is an example of fallacy of division?

Here are some obvious examples of the Fallacy of Division: The United States is the richest country in the world. Therefore, everyone in the United States must be rich and live well. Because professional sports players are paid outrageous salaries, every professional sports player must be rich.

What is an example of naturalistic fallacy?

The naturalistic fallacy looks like this: Breastfeeding is the natural way to feed children. Therefore, mothers ought to breastfeed their children and ought not to use baby formula (because it is unnatural).

What is the naturalistic fallacy quizlet?

”The naturalistic fallacy is the assumption that because the words ‘good’ and, say, ‘pleasant’ necessarily describe the same objects, they must attribute the same quality to them.

What is Moore’s naturalistic fallacy?

In philosophical ethics, the naturalistic fallacy is the mistake of explaining something as being good reductively, in terms of natural properties such as pleasant or desirable. The term was introduced by British philosopher G. E. Moore in his 1903 book Principia Ethica.

What is deterministic fallacy?

The mistaken assertion that genes control, or determine, behaviour in a manner independent of environmental influences.

What is determinism theory?

determinism, in philosophy and science, the thesis that all events in the universe, including human decisions and actions, are causally inevitable.

What are the three types of determinism?

They are: logical determinism, theological determinism, psychological determinism, and physical determinism. Logical determinism maintains that the future is already fixed as unalterably as the past.

What is free will vs determinism?

The determinist approach proposes that all behavior has a cause and is thus predictable. Free will is an illusion, and our behavior is governed by internal or external forces over which we have no control.

What is free will simple?

1 : voluntary choice or decision I do this of my own free will. 2 : freedom of humans to make choices that are not determined by prior causes or by divine intervention.

Why is free will an illusion?

Free will is an illusion. Our wills are simply not of our own making. Thoughts and intentions emerge from background causes of which we are unaware and over which we exert no conscious control. We do not have the freedom we think we have.

What is causal determinism?

Causal determinism is, roughly speaking, the idea that every event is necessitated by antecedent events and conditions together with the laws of nature. The idea is ancient, but first became subject to clarification and mathematical analysis in the eighteenth century.

What is an example of causal determinism?

For example, suppose that in this universe a man murders his spouse. Everything that has come before this (e.g., the man’s upbringing, his parents’ decision to pass on their genes, his past experiences with his spouse) fully determined that he would commit this murder.

What is determinism in philosophy example?

Determinism is the belief that all human behaviors flow from genetic or environmental factors that, once they have occurred, are very difficult or impossible to change. For example, a determinist might argue that a person’s genes make him or her anxious.

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