Assertion: internal node | /r/HasProperty | node
Facets:
Source sentences:
text: The internal nodes that are one level above the leaves are what would be called "leaves" by other authors: these nodes only store keys (at most m-1, and at least m/2-1 if they are not the root) and pointers to nodes carrying no information.
text: Say that the internal node is node A and that node B is the child of A.