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# Introduction to Graph Theory

<!-- say: Welcome to the first lecture on graph theory. Today we will cover the basic definitions and some fundamental properties of graphs. -->

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# Why Study Graphs?

- Model relationships and connections
- Used in computer science, biology, social networks

<!-- say: Graphs are one of the most versatile tools in mathematics and computer science. They let us model any kind of relationship or connection between objects. -->

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# Course Overview

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