“…I would add that another interesting way of looking at the Begriffsschrift is in terms of its close relation to the theory of trees, graph theory, and of reasoning in terms of the tree notation offered by Dale Jacquette in his textbook Symbolic Logic [3]. Emiliano Ippoliti too has written many interesting essays about reasoning in graph notation, which could be developed with reference to a re-investigation and re-implementation of the Begriffsschrift; see for instance [2].…”