 One of the driving forces behind the early development of informal logic was a desire for a logic which contained tools of analysis and assessment above and beyond the standard formal methods of the day: propositional logic, truth tables, syllogisms, the predicate calculus, and so on. Johnson emphasizes a “dissatisfaction with formal logic as the vehicle for teaching skill in argument evaluation and argument formation” and a “desire to provide a complete theory of reasoning that goes beyond formal deductive and inductive logic” (2014, p. 11). Though Ryle never developed a detailed account of what he meant by “informal logic,” his comments point in a similar direction. 