rooted tree (Q63721528)
directed tree in which one vertex has been designated the root
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other details
aliases directed rooted tree
 rooted directed tree
 rooted polytree
description directed tree in which one vertex has been designated the root

External Links
(P1417) topic/rooted-tree
(P2671) /g/11bc5tmr0k
(P2812) RootedTree
(P5106) rootedtree