31. Aristotle stated that effective rhetoric is based on argumentation . 32. The Toulmin Model of Argumentation became influential in argumentation theory and its applications. 33. The Toulmin Model of Argumentation became influential in argumentation theory and its applications. 34. Argumentation includes debate and negotiation which are concerned with reaching mutually acceptable conclusions.35. This argumentation is rejected, on the one hand, by the compatibilists. 36. Logic is also commonly used today in argumentation theory. 37. There is no evidence that the sides were weighed according to their argumentation . 38. The commission's verdict was, however, without a full argumentation . 39. It is best to avoid such argumentation if possible. 40. Their status as lawyers was a result of their extremely developed argumentation skills.