Assertion: tree's node | /r/HasProperty | leaf nodes
Facets:
Source sentences:
text: Nodes on the outside of the tree (leaf nodes) have no children and one or two data elements.
text: Nodes without children are called leaf nodes, "end-nodes", or "leaves".
text: Similarly, an external node (also known as an outer node, leaf node, or terminal node) is any node that does not have child nodes.
text: The size of the tree is taken to be the number n of internal nodes (those with two children); the other nodes are leaf nodes and there are n + 1 of them.
text: Nodes on the outside of the tree (leaf nodes) have no children and one or two data elements.
text: Nodes that can not have children are leaf nodes.
text: Nodes with two subtrees are called internal nodes, nodes without subtrees are called leaf nodes and nodes with only one subtree are named half-leaf nodes.