... or C, and the values of the distance at the points A, C are greater than the values of the distance at the points E, H, I, we get the desiredstrict inequality and this part of the proof is complete ... his negative at the left-handside of α∗ and positive at the right-hand side of α∗.There are three different cases regarding the position of the point N (the intersection of the linethat ... of the distance d(q, tp) is the maximum value of d(q, tp) computed at the points I and H. By usingagain the symmetry of the Fig. 1, the values of d(q, tp) at the points Iand...