Abstract The Sharkovskii theorem is an important mathematical result of the last century, which significantly
helped the development of a modern mathematical field -- chaos theory. The Sharkovskii theorem is related to an
interval on the real axis and a single-valued function. However, it was later generalized in various ways. This
article will focus on the multivalued generalization of the Sharkovskii theorem, which has also found application in
the theory of differential equations. We will show that the considered multivalued generalization of the Sharkovskii
theorem is also suitable in mathematics education, especially for increasing the level of combinatorial thinking. We
present some examples for pupils of different levels. 
|