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Section 2.5 Chapter 2 Summary

Subsection Important Definitions

Subsection Important Theorems and Results

Subsection Important Set Theory Notation

Notation Description Reference
\(y \in A\) \(y\) is an element of the set \(A\text{.}\) List 2.13
\(z \notin A\) \(z\) is not an element of the set \(A\text{.}\) List 2.13
\(\left\{ \quad \right\}\) The roster method Beginning Activity 1
from Section 2.3
\(\left\{ x \in U \mid P( x ) \right\}\) Set builder notation Set Builder Notation