isForest -- determines whether a graph is a forest

Synopsis

• Usage:

  f = isForest G

• Inputs:
  • G, an instance of the type Graph,
• Outputs:
  • f, a Boolean value, whether a graph is a forest

Description

i1 : G = graph({{1,2},{1,3},{6,4},{4,5}},EntryMode=>"edges");

i2 : isForest G

o2 = true

See also

• isTree -- determines whether a graph is a tree
• isLeaf -- determines whether a vertex is a leaf
• leaves -- lists the leaves of a tree graph