Root Node/Examples/Arbitrary Example 1

Examples of Root Nodes

Consider the rooted tree below:

The root node is node $1$.

Sources

• 1979: John E. Hopcroft and Jeffrey D. Ullman: Introduction to Automata Theory, Languages, and Computation ... (previous) ... (next): Chapter $1$: Preliminaries: Exercises: $1.1 \ \text {e)}$