In the conference room, classroom, or courtroom, knowing how to make clear to your audience the logic of your arguments and the relevancy of your facts or evidence is fundamental to success. And being able to demonstrate the logical weaknesses of an opposing line of reasoning is also essential as well. A very intuitive, universal, simple, and yet, rigorous template of practical logical reasoning makes this easy to learn in just a short amount of time. Only common sense is required. And then you just fill in the blanks.
See the Papers and Comments tab for the details of how and why it works.