# How can you determine if an argument is valid. Evaluating Arguments 2022-10-13

How can you determine if an argument is valid Rating: 7,3/10 1245 reviews

An argument is a group of statements, called premises, that are offered in support of another statement, called the conclusion. An argument is considered to be valid if the conclusion follows logically from the premises. In other words, if the premises of the argument provide sufficient support for the conclusion, then the argument is considered to be valid.

There are several ways to determine if an argument is valid. One way is to use the process of syllogism. A syllogism is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two premises.

For example, consider the following argument:

Premise 1: All birds can fly. Premise 2: Penguins are birds. Conclusion: Therefore, penguins can fly.

In this argument, the conclusion follows logically from the premises. The first premise establishes that all birds have the ability to fly, and the second premise establishes that penguins are a type of bird. Based on these two premises, it logically follows that penguins can fly.

Another way to determine if an argument is valid is to use the process of formal logic. Formal logic is a system of rules that allows you to determine the validity of an argument by representing it in symbolic form and applying logical rules to the symbols.

For example, consider the following argument represented in symbolic form:

Premise 1: P Premise 2: Q Conclusion: P âˆ§ Q

In this argument, the symbol "âˆ§" represents the logical operator "and," and the symbol "P" represents the first premise and the symbol "Q" represents the second premise. Based on the rules of formal logic, this argument is valid because the conclusion follows logically from the premises.

There are other ways to determine if an argument is valid, such as using informal logic or critical thinking skills. However, the above methods are some of the most common ways to evaluate the validity of an argument.

In conclusion, determining if an argument is valid is an important part of critical thinking and problem-solving. By using the process of syllogism or formal logic, or by applying critical thinking skills, you can evaluate the strength of an argument and determine if it is logical and well-supported.

## logic

So, we check to see if there is a row on the truth table that has all true premises and a false conclusion. Conversely, if an argument is invalid, then the reasoning process behind the inferences is not correct. The second premise and the conclusion are simply the two parts of the first premise detached from each other. A good argument is one in which the premises give good reasons to believe the conclusion is true. Begin the process by preparing a three term Venn diagram. Are all good arguments valid? Now it's time to look at the editor's evidence and ask ourselves if it is convincing, relevant, and accurate and whether it truly supports the reasons. Some examples of valid arguments: All examples above are valid arguments.

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## How To Tell When Arguments Are Valid or Sound

Can a valid argument have a false conclusion? In order to determine the effectiveness and validity of an argument then, a listener or reader must look critically at each of the argument's elements and ask some demanding questions about its claim, reasons, evidence, and assumptions. Otherwise, a deductive argument is said to be invalid. Invalid arguments are ones where there could be circumstances where the premises are true but the conclusion is false. The reasons must be logical, clear, and directly relative to and supportive of the claim. It considers all relevant information. Can you find such a row? The claim must be arguable, supportable, and presented with minimal bias. In order to determine the effectiveness and validity of an argument then, a listener or reader must look critically at each of the argument's elements and ask some demanding questions.

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## [Solved] Discrete Math

The editor, for example, might hold the assumptions that parking fees can be eliminated, that someone in the college's administration has the power to make that decision. To test the validity of a categorical syllogism, one can use the method of Venn diagrams. A friend tries to convert you to his position about a current issue. How can you tell if an argument is strong or weak? First off, we'll look at his claim that students shouldn't have to pay for parking on campus. As it happens, the argument you asked about is valid, but your truth table is wrong so there such a row. What is the difference between the truth of propositions and the validity of arguments? The three circles are divided into seven areas.

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## How do you determine if an argument is valid?

Finally, every argument contains assumptions, which are stated or unstated beliefs that must be held in order to accept the claim of the argument. Therefore, if we want to ignore the second thing, we can say that if the first thing happens, then we know the third thing will happen. If the answer is yes, then the argument is valid. The fallacy of the converse incorrectly tries to assert that the converse of a statement is equivalent to that statement. If no, then the argument is invalid. How do you evaluate an argument? If an argument is both valid and has all true premises, we will say that the argument is sound. In order to determine whether an argument is valid or not, ask yourself: Supposing that the premises are or were true whether they really are or not , must the conclusion be true? Further, he assumes that the conditions between his school and other schools are similar.

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## How do you determine the validity of an argument?

An argument is invalid if and only if all the premises is true and the conclusion is false. The question of validity is whether the premises would force the conclusion to be true if they are true. The Law of Contraposition Modus Tollens The law of contraposition applies when a conditional and the negation of its consequent are given as premises, and the negation of its antecedent is the conclusion. That's what we're going to do in this lesson. Which of the following is a characteristic of a valid argument? The editor assumes that parking fees can be changed or eliminated.

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## How do you determine the validity of an argument using a Venn diagram?

Remember the key to judging deductive arguments to be valid or invalid is not whether the premises are true or false. He also assumes that students are indeed financially-strapped and that the conditions at other schools are similar to the conditions at his college. How do you know if an argument is valid or invalid? Things that have commonalities are shown as overlapping circles while things that are distinct stand alone. It seems more logical that, instead, the college should investigate the misuse and fix the situation as necessary. A deductive argument is said to be valid if and only if it takes a form that makes it impossible for the premises to be true and the conclusion nevertheless to be false.

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## Evaluating Arguments

But claiming that an argument is valid is not to claim that the premises are true. So, 3 Stef teaches philosophy. What you should check for is the PRESENCE or ABSENCE of a row in which the premises are true while the conclusion is false. Which of the following is a characteristic of a valid argument? An argument form is valid if, no matter what particular statements are substituted for the statement variables in its premises, whenever the resulting premises are all true, the conclusion is also true. Our job as listeners and readers is to learn how to analyze these arguments and make up our own minds about their effectiveness and validity.

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## 17.11: Forms of Valid Arguments

Otherwise, a deductive argument is said to be invalid. The following example is one such puzzle. A deductive argument is said to be valid if and only if it takes a form that makes it impossible for the premises to be true and the conclusion nevertheless to be false. Valid: an argument is valid if and only if it is necessary that if all of the premises are true, then the conclusion is true; if all the premises are true, then the conclusion must be true; it is impossible that all the premises are true and the conclusion is false. How would you test the validity of syllogism using a Venn diagram? Whenever the premises are true, the conclusion must be true, because of the form of the argument.

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