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# daVinci_node(?Node)

Define one node for the graph. The label of the node is equal to its name.

Node
  a Prolog term, normally a number or an atom

## Description

This command defines one node for the graph. The label of the node is equal to the name of the node. Often, the name is a number or an atom, but it can be any Prolog structure. The node name must be unique, and should not contain backslash, tilde or double quote characters.

### Fail Conditions

no

### Resatisfiable

no

## Examples

    see daVinci_begin/0

## See Also

daVinci_node / 2, daVinci_node_attribute / 3