Chayka I. System integrity of society as a factor of its progressive development

The object of research is а social progress and its mechanism. The purpose of research is forming conception of mechanism of society's (as social system) development and substantiation of the social system's integrity as factor of social progress. Methods of research are dialectics and synergetics, system analysis, analysis and synthesis. Theoretical results and novelty - it was substantiated integrity as a variable characteristic of social system's structure. It was substantiated connection between the society's ability to the progressive development and the availability of integrity as specific social system's characteristic on the basis of author's model of society as a social system. The integrity determinates the society's self identity at the different stages of development and promotes the system's structure complication (its progressive development). Practical results and the sphere of use - the conception can be used as an element of high school rates on philosophy and social philosophy. Theoffered ideas can be used as a basis of further researches in the sociology, political science, and in the state government practice.