No area of knowledge is properly mastered until it can be readily explained to others. Each such path permits those who have traveled along it to tell others what to expect and hopefully why. The existence of such paths may show that an area is well-understood. This chapter describes the educational principles or pedagogy which guided the organization and content of this book on reason and its mathematical companions. All of us are witnesses.
Some witnesses see more than others.
When we speak to several people, our words will be understood by each differently. In communication, especially in teaching, these differences need to be considered. Plots and Subplots A writer normally offers a main plot along with a few or several subplots. The main plot and ideas should be obvious to everyone the first time. After the main plot is noticed, the subplots themselves and links between them may become apparent.