A claim in writing is a type of thesis statement that presents the main idea of what you are writing in the form of an argument
. It is a statement that answers a debatable question posed by a writer, which then is proved in a paragraph or essay
. Claims are very common in research papers and certain types of essays, and they allow you to present the main idea of the document in the form of an argument
. Effective claims are assertive, specific, and provable, and they should appear in the first sentence of your paragraph or essay