Chapter: Graphs

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  1. Definition: Undirected Graph, Vertices, Edges, Simple Graph
  2. Definition: Vertex Degrees for Undirected Graphs
  3. Definition: Leaf
  4. Definition: Subgraphs and Supergraphs; Induced Subgraph
  5. Definition: Incidence, Adjacency, Neighbours
  6. Lemma: Handshaking Lemma for Finite Graphs

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