2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67155We give a precise description of combed trees in terms of Kelly-Mac Lane graphs. We show that any combed tree is uniquely expressed as an allowable Kelly-Mac Lane graph of a certain shape. Conversely, we show that any such Kelly-Mac Lane graph uniquely defines a combed tree.27 pagesCategory Theorytext