The Principle of Belonging as a General Systems Principle From Non-Organic Matter to Biological and Social Organization

Abstract This paper develops the Principle of Belonging as a systems-theoretic hypothesis proposing that entities are not adequately understood solely as isolated objects but also through their relationships, positions, functions, and dependencies within larger systems. Although the concept of belonging is commonly associated with human psychology, social identity, community, and interpersonal relationships, the present paper argues that a broader, non-subjective form of belonging can be identified in physical and biological systems. At the non-organic level, atoms participate in molecular structures, ions participate in crystal lattices, and components participate in physical and chemical systems through interactions and constraints. At the biological level, cells belong to tissues, organs belong to organisms, and organisms participate in ecological systems. At the social level, individuals belong to families, institutions, communities, and cultures. The paper distinguishes structural belonging, functional belonging, dynamic belonging, and experiential belonging, and argues that only the latter requires consciousness or subjective experience. The framework is connected to general systems theory, self-organization, biological organization, and social-ecological systems theory. It proposes a candidate Belonging Index, works through two illustrative numerical applications (a water molecule and a community member), and states five testable predictions. The paper does not claim that matter possesses feelings or consciousness; it proposes that relational embeddedness may be a common structural feature of organized systems, to be investigated rather than assumed. The Principle of Belonging is accordingly presented as a conceptual and pre-formal hypothesis requiring further mathematical and empirical development, not as an established law.