increment of the worth of the grand coalition according to fCE. We show that the set of Pareto optimal single-valued solutions …

is either ordinal convex or coalition merge convex coincides with the core of the game. Moreover, we show by means of an …

outvotes y via some coalition S of a feasible set if x dominates y via S and x allocates at least v(T) to any feasible T that …-stable core if each payoff vector that allocates less than v(S) to some coalition S is dominated by some core element and prove … that core super-stability is equivalent to vital extendability, requiring that each vital coalition is extendable …