ארז שיינר מציג - יחסי סדר

In this chapter we introduce the concept of "partial order relation", define a full order relation as a partial order relation on a set such that any two elements can be compared, and present the main examples of order relations: "less than or equal to", "contained", and "divides by". For more information: http://www.math-wiki.com/index.php?ti...