An Inference is a necessary element without which an argument cannot exist. Using the frame of “difference” in relation to the two is a bit misleading. They are not antonyms. read more
First, let's look at the distinction between argument and inference (if there is one). This online source states: An argument is a set of two or more propositions related to each other in such a way that all but one of them (the premises) are supposed to provide support for the remaining one (the conclusion). read more