Question: 1. [Proof, 20 points] Show that every simple graph (an undirected graph without loops or parallel edges) with 2 or more nodes contains two nodes

1. [Proof, 20 points] Show that every simple graph (an undirected

1. [Proof, 20 points] Show that every simple graph (an undirected graph without loops or parallel edges) with 2 or more nodes contains two nodes that have equal degrees

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