Abbreviations
(16 points) DPV Problem 4.2.
(16 points) PG Problem 434.
(16 points) DPV Problem 4.13.
Hints for part (b): (i) is
. (ii) Binary Search may be useful.
(16 points) DPV Problem 4.21.
(16 points) DPV Problem 5.2(a).
(20 points) DPV Problem 5.9(a,b,c,d).
Hint: The counterexamples can be build using four vertices.