Question: For A = {a, b, c, d, e}, the Hasse diagram for the poset (A, R) is shown in Fig. 7.23. (a) Determine the relation

For A = {a, b, c, d, e}, the Hasse diagram for the poset (A, R) is shown in Fig. 7.23.
(a) Determine the relation matrix for R.
(b) Construct the directed graph G (on A) that is associated with R.
(c) Topologically sort the poset (A, R).

Figure 7.23

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