 In many ways, the third element in the BLAST list — a concept of argument (A) — is the root of all informal logics. In ordinary discourse, the word “argue” can mean “to disagree,” usually with the further implication that someone does so aggressively. Informal logics, like other logics, assume a narrower conception of argument (so called “argument-1”), which understands an argument as an attempt to resolve disagreement (or potential disagreement) by providing reasons for accepting the point of view that it advances. 