## Description

The areas of discrete and combinatorial mathematics are to some extent new to the undergraduate curriculum, so that there are several options about the subjects to be studied in the courses.

Each teacher and student may have different interests. Consequently, the aspects covered in this work are quite broad, as corresponds to a general course. Even so, there will always be more topics that some readers would like to include; Likewise, there will be differences of opinion regarding the order in which some themes are presented in this text.

DD