Sample Paper for Propositional Arguments

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Sample paper for propositional arguments

In this paper, I will analyze the following argument in terms of validity and soundness: An argument is a syllogism only if it is valid. An argument has a true conclusion, if it is valid. If an argument has consistent premises, then it has a true conclusion. Thus, if an argument is a syllogism, then it has a true conclusion.

As we shall soon learn, this argument is valid but unsound.

I begin my analysis by providing a dictionary and putting the argument in standard logical form. Here is my dictionary. Let ‘S’ stand for ‘an argument is a syllogism’ Let ‘V’ stand for ‘an argument is valid’ Let ‘C’ stand for ‘an argument has a true conclusion’ Let ‘P’ stand for the premises are consistent’ Here is the argument in standard logical form.

This argument is valid. My proof for validity can be found in my appendix at the end of the paper. [And no, I am not going to provide an appendix for a sample paper].

Now that we know that the argument is valid, let us examine each statement in the argument. The first premise is S→V. This states that if an argument is a syllogism, then it is valid. This is false. An argument could be a syllogism yet be invalid. A syllogism is an argument that has two premises and a conclusion; but such an argument can be valid or invalid. Some poodles are dogs

Some elephants are not dogs
No elephants are poodles
This argument is a syllogism yet it still has an invalid form. [No, you don’t have to prove the form is invalid; but you better be correct]

The second premise is P→C. This states that if the premises are consistent, then the argument has a true...
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