In chapter 3 “The Layout of Arguments” of The Uses of Argument, Toulmin talks about how to write an argument. He includes several models throughout the chapter, and each of them gets longer as he begins to discuss more. The final model is composed of datum or data, claim, warrant, qualifiers, rebuttal, backing of warrants. Datum is the fact or the ground that start the argument, while claim is the statement that one can reason out from the datum, and hopes that people will accept it. Warrant is the middleman between datum and claim. It helps to link them together by giving an assumption that connects them. Qualifiers are words such as “maybe, in most cases, most likely” and they are used to determine how strong the warrant is. Backing of warrants
