Analyzing Sustainability of

The social system must be changed to a sustainable circulatory system immediately. A considerable number of studies have been conducted on environmental problems. Those studies, however, focused on optimizing the material flow on a certain time section, based on the belief that the pursuit of material circulation will lead to a sustainable society. Those studies have considered only one aspect of the subject. We consider this belief to be suspect. In this paper, we show the results of the analysis of the circulatory system using a model of an abstract social system and verify that the termination property is important for a discussion of the nature of the sustainable society