Serge Ballif edited untitled.md  over 8 years ago

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_Oh, an empty article!_ You can get started by **double clicking** this text block and begin editing. You can also click the **Text** button below A graph is a structure used in discrete math that is used  to add new block elements. Or you can **drag and drop an image** right onto this text! show the relationship between various objects. The objects form the vertices of the graph. Two vertices are connected by a line if they satisfy a certain relationship. We call these lines edges.