Assertion: node's subtree | /r/Synonym | proper subtree
Facets:
value: by analogy to a proper subset
type: OTHER
Source sentences:
text: the subtree corresponding to the root node is the entire tree, and each node is the root node of the subtree it determines; the subtree corresponding to any other node is called a proper subtree (by analogy to a proper subset).
text: the subtree corresponding to the root node is the entire tree, and each node is the root node of the subtree it determines; the subtree corresponding to any other node is called a proper subtree (by analogy to a proper subset).