... Break away from the concept: "Decrease in quality of public service in a depopulating society cannot be avoided." People often have a fixed idea that if the population has decreased, ser[r] ...
... Here let me explain the conhections between Theorem 2.1.1 and Wang’s Theorem E.Wang,s result is certainly closely related to Theorem 2.1.1, although Theorem E, apparently, does not co[r] ...