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WRITING A THESIS
A thesis statement is a one-sentence summary of a paper's content. It is similar, actually, to a paper's conclusion but lacks the conclusion's concern for broad implications and significance. For a writer in the drafting stages, the thesis establishes a focus, a basis on which to include or exclude information. For the reader of a finished product, the thesis anticipates the author's discussion. A thesis statement, therefore, is an essential tool for both writers and readers of academic material.
This last sentence is our thesis for this section. Based on this thesis, we, as the authors, have limited the content of the section; and you, as the reader, will be able to form certain expectations about the discussion that follows. You can expect a definition of a thesis statement; an enumeration of the uses of a thesis statement; and a discussion focused on academic material. As writers, we will have met our obligations to you only if in subsequent paragraphs we satisfy these expectations.
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The Components of a Thesis
Like any other sentence, a thesis includes a subject and a predicate, which consists of an assertion about the subject. In the sentence "Lee and Grant were different kinds of generals," "Lee and Grant" is the subject and "were different kinds of generals" is the predicate. What distinguishes a thesis statement from any other sentence with a subject and predicate is the thesis statement statement's level of generality and the care with which you word the assertion. The subject of a thesis must present the right balance between the general and the specific to allow for a thorough discussion within the allotted length of the paper. The discussion might include definitions, details, comparisons contrasts - whatever is needed to illuminate a subject and carry on an intelligent conversation. (If the sentence about Lee and Grant were a thesis, the reader would assume that the rest of the essay contained comparisons and contrasts between the two generals.)
Bear in mind when writing thesis statements that the more general your subject and the more complex your assertion, the longer your paper will be. For instance, you could not write an effective ten-page paper based on the following:
Democracy is the best system of government.
Consider the subject of this sentence, "democracy," and the assertion of its predicate, "is the best system of government." The subject is enormous in scope; it is a general category composed of hundreds of more specific sub-categories, each of which would be appropriate for a paper ten pages in length. The predicate of our example is also a problem, for the claim that democracy is the best system of government would be simplistic unless accompanied by a thorough, systematic, critical evaluation of every form of government yet devised. A ten-page paper governed by such a thesis simply could not achieve the level of detail and sophistication expected of college students.
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