The central or overall claim of an argumentative essay is also known as the thesis. After providing the thesis in the introduction, the author then spends the entire essay working to prove that claim through sub-claims (the central claim broken down into smaller chunks), reasoning, and ...
In fact, in most cases, it's a good idea to avoid the first person altogether. Writers should state claims as fact and be as straightforward and concise as possible. In an essay or any other form of argumentative writing, the claim is usually found at the end of the first paragraph. ...