Components of Argument

The following is an excerpt from Chapter 3 of Let's Get Writing by Kirsten Devries. See additional licensing information at the bottom of this page. 

What are the Components and Vocabulary of Argument? 

Questions are at the core of arguments. What matters is not just that you believe that what you have to say is true, but that you give others viable reasons to believe it as well—and also show them that you have considered the issue from multiple angles. To do that, build your argument out of the answers to the five questions a rational reader will expect answers to.  In academic and professional writing, we tend to build arguments from the answers to these main questions:

1. What do you want me to do or think?

2. Why should I do or think that?

3. How do I know that what you say is true?

4. Why should I accept the reasons that support your claim?

5. What about this other idea, fact, or consideration?

6. How should you present your argument?

When you ask people to do or think something they otherwise would not, they quite naturally want to know why they should do so. In fact, people tend to ask the same questions. As you make a reasonable argument, you anticipate and respond to readers’ questions with a particular part of argument:

1. The answer to What do you want me to do or think? is your conclusion: “I conclude that you should do or think X.”

2. The answer to Why should I do or think that? states your premise: “You should do or think X because . . .”

3. The answer to How do I know that what you say is true? presents your support: “You can believe my reasons because they are supported by these facts . . .”

4. The answer to Why should I accept that your reasons support your claim? states your general principle of reasoning, called a warrant: “My specific reason supports my specific claim because whenever this general condition is true, we can generally draw a conclusion like mine.”

5. The answer to What about this other idea, fact, or conclusion? acknowledges that your readers might see things differently and then responds to their counterarguments.

6. The answer to How should you present your argument? leads to the point of view, organization, and tone that you should use when making your arguments.

As you have noticed, the answers to these questions involve knowing the particular vocabulary about argument because these terms refer to specific parts of an argument.  The remainder of this section will cover the terms referred to in the questions listed above as well as others that will help you better understand the building blocks of argument.

What Is a Conclusion, and What Is a Premise?

The root notion of an argument is that it convinces us that something is true. What we are being convinced of is the conclusion. An example would be this claim:

Littering is harmful.

A reason for this conclusion is called the premise. Typically, a conclusion will be supported by two or more premises. Both premises and conclusions are statements.  Some premises for our littering conclusion might be these:

       Littering is dangerous to animals.

       Littering is dangerous to humans.

Thus, to be clear, understand that an argument asserts that the writer’s claim is true in two main parts: the premises of the argument exist to show that the conclusion is true.

Tip

Be aware of the other words to indicate a conclusion–claim, assertion, point–and other ways to talk about the premise–reason, factor, the why.  Also, do not confuse this use of the word conclusion with a conclusion paragraph for an essay.

What Is a Statement?

A statement is a type of sentence that can be true or false and corresponds to the grammatical category of a declarative sentence. For example, the sentence,

The Nile is a river in northeastern Africa,

is a statement because it makes sense to inquire whether it is true or false. (In this case, it happens to be true.) However, a sentence is still a statement, even if it is false. For example, the sentence,

The Yangtze is a river in Japan,

is still a statement; it is just a false statement (the Yangtze River is in China). In contrast, none of the following sentences are statements:

Please help yourself to more casserole.

Don’t tell your mother about the surprise.

Do you like Vietnamese pho?

None of these sentences are statements because it does not make sense to ask whether those sentences are true or false; rather, they are a request, a command, and a question, respectively.  Make sure to remember the difference between sentences that are declarative statements and sentences that are not because arguments depend on declarative statements.

Tip

A question cannot be an argument, yet students will often pose a question at the end of an introduction to an essay, thinking they have declared their thesis.  They have not.  If, however, they answer that question (conclusion) and give some reasons for that answer (premises), they then have the components necessary for both an argument and a declarative statement of that argument (thesis).

To reiterate: All arguments are composed of premises and conclusions, both of which are types of statements. The premises of the argument provide reasons for thinking that the conclusion is true. Arguments typically involve more than one premise.

What Is Standard Argument Form?

A standard way of capturing the structure of an argument, or diagramming it, is by numbering the premises and conclusion.  For example, the following represents another way to arrange the littering argument:

1. Littering is harmful

2. Litter is dangerous to animals

3. Litter is dangerous to humans

This numbered list represents an argument that has been put into standard argument form.  A more precise definition of an argument now emerges, employing the vocabulary that is specific to academic and rhetorical arguments. An argument is a set of statements, some of which (the premises: statements 2 and 3 above) attempt to provide a reason for thinking that some other statement (the conclusion: statement 1) is true.

Tip

Diagramming an argument can be helpful when trying to figure out your essay’s thesis.  Because a thesis is an argument, putting the parts of an argument into standard form can help sort ideas.  You can transform the numbered ideas into a cohesive sentence or two for your thesis once you are more certain what your argument parts are.

Figure 3.2 “Argument Diagram”

Recognizing arguments is essential to analysis and critical thinking; if you cannot distinguish between the details (the support) of a piece of writing and what those details are there to support (the argument), you will likely misunderstand what you are reading.  Additionally, studying how others make arguments can help you learn how to effectively create your own.

What Are Argument Indicators?

While mapping an argument in standard argument form can be a good way to figure out and formulate a thesis, identifying arguments by other writers is also important.  The best way to identify an argument is to ask whether a claim exists (in statement form) that a writer justifies by reasons (also in statement form). Other identifying markers of arguments are key words or phrases that are premise indicators or conclusion indicators. For example, recall the littering argument, reworded here into a single sentence (much like a thesis statement):

Littering is harmful because it is dangerous to both animals and humans.

The word “because” here is a premise indicator. That is, “because” indicates that what follows is a reason for thinking that littering is bad. Here is another example:

The student plagiarized since I found the exact same sentences on a website, and the website was published more than a year before the student wrote the paper.

In this example, the word “since” is a premise indicator because what follows is a statement that is clearly intended to be a reason for thinking that the student plagiarized (i.e., a premise). Notice that in these two cases, the premise indicators “because” and “since” are interchangeable: “because” could be used in place of “since” or “since” in the place of “because,” and the meaning of the sentences would have been the same.

Figure 3.3 “Common Premise Indicators”

In addition to premise indicators, there are also conclusion indicators. Conclusion indicators mark that what follows is the conclusion of an argument. For example,

Bob-the-arsonist has been dead for a year, so Bob-the-arsonist didn’t set the fire at the East Lansing Starbucks last week.

In this example, the word “so” is a conclusion indicator because what follows it is a statement that someone is trying to establish as true (i.e., a conclusion). Here is another example of a conclusion indicator:

A poll administered by Gallup (a respected polling company) showed candidate X to be substantially behind candidate Y with only a week left before the vote; therefore, candidate Y will probably not win the election.

In this example, the word “therefore” is a conclusion indicator because what follows it is a statement that someone is trying to establish as true (i.e., a conclusion). As before, in both of these cases, the conclusion indicators “so” and “therefore” are interchangeable: “So” could be used in place of “therefore” or “therefore” in the place of “so,” and the meaning of the sentences would have been the same.

Figure 3.4 “Common Conclusion Indicators”

What Constitutes Support?

To ensure that your argument is sound—that the premises for your conclusion are true—you must establish support.  The burden of proof, to borrow language from law, is on the one making an argument, not on the recipient of an argument.  If you wish to assert a claim, you must then also support it, and this support must be relevant, logical, and sufficient.

It is important to use the right kind of evidence, to use it effectively, and to have an appropriate amount of it.

• If, for example, your philosophy professor did not like that you used a survey of public opinion as your primary evidence in an ethics paper, you most likely used material that was not relevant to your topic.  Rather, you should find out what philosophers count as good evidence. Different fields of study involve types of evidence based on relevance to those fields.

• If your professor has put question marks by your thesis or has written, “It does not follow,” you likely have problems with logic.  Make sure it is clear how the parts of your argument logically fit together.

• If your instructor has told you that you need more analysis, suggested that you are “just listing” points or giving a “laundry list,” you likely have not included enough explanation for how a point connects to and supports your argument, which is another problem with logic, this time related to the warrants of your argument. You need to fully incorporate evidence into your argument. (See more on warrants immediately below.)

• If you see comments like “for example?,” “proof?,” “go deeper,” or “expand,” you may need more evidence.  In other words, the evidence you have is not yet sufficient.  One or two pieces of evidence will not be enough to prove your argument.  Similarly, multiple pieces of evidence that aren’t developed thoroughly would also be flawed, also insufficient. Would a lawyer go to trial with only one piece of evidence?  No, the lawyer would want to have as much evidence as possible from a variety of sources to make a viable case.  Similarly, a lawyer would fully develop evidence for a claim using explanation, facts, statistics, stories, experiences, research, details, and the like.

You will find more information about the different types of evidence, how to find them, and what makes them credible in Chapter 6, “Research.”  Logic will be covered later on in this chapter.

What Is the Warrant?

Above all, connect the evidence to the argument.  This connection is the warrant.  Evidence is not self-evident.  In other words, after introducing evidence into your writing, you must demonstrate why and how this evidence supports your argument. You must explain the significance of the evidence and its function in your paper. What turns a fact or piece of information into evidence is the connection it has with a larger claim or argument: Evidence is always evidence for or against something, and you have to make that link clear.

Tip

Student writers sometimes assume that readers already know the information being written about; students may be wary of elaborating too much because they think their points are obvious. But remember, readers are not mind readers: Although they may be familiar with many of the ideas discussed, they don’t know what writers want to do with those ideas unless they indicate that through explanations, organization, and transitions. Thus, when you write, be sure to explain the connections you made in your mind when you chose your evidence, decided where to place it in your paper, and drew conclusions based on it.

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  Chapter 3 - Argument by Kirsten DeVries is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.