: Real numbers

What are Real Numbers? real number This video provides a basic introduction into real numbers It explains how to distinguish them real time 168 R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational numbers • ⊂= proper subset ⊆=subset

real fake We continue our discussion on real numbers in this chapter We begin with two very important properties of positive integers in Sections and , namely the