Chapter 3 Continuity Point Sets in Ó

  title={Chapter 3 Continuity Point Sets in {\'O}},
    In this chapter we begin by defining the fundamental notion of continuity for real valued functions of a single real variable. We also introduce the notion of function limit and use this concept to give equivalent characterizations of continuity. When trying to decide whether a given function is or is not continuous, it is often helpful to have more than… CONTINUE READING