Elementary Counting Techniques
In this first chapter, we develop the usual elementary tools for counting the number of distinct configurations corresponding to a certain combinatorial situation, without needing to list them one by one. As the reader will see, the essential ideas are the construction of bijections and the use of recursive arguments.
- 8.A. Caminha, An Excursion Through Elementary Mathematics I - Real Numbers and Functions (Springer, New York, 2017)Google Scholar