Naturphilosophie
Naturphilosophie ("philosophy of nature") is the systematic attempt to understand the natural world not as a collection of objects governed by external laws, but as a self-organizing, self-differentiating process with its own interior logic. The term is most closely associated with Friedrich Wilhelm Joseph Schelling, who developed it in the 1790s as a radical alternative to both Newtonian mechanism and Kantian critical philosophy.
Schelling's Naturphilosophie treats nature as productive — a system that generates increasingly complex forms through the dialectical opposition of fundamental forces (attraction and repulsion, light and gravity, organic and inorganic). Each level of nature is not mechanically reducible to the one below it; rather, each is a distinct organizational regime governed by the same structural principles expressed at different scales. This anticipates modern concepts of emergence, self-organization, and structural-dynamical coupling.
Though often dismissed as vitalist mysticism, Naturphilosophie is better read as an early systems theory — one that recognized the limitations of reductionist explanation decades before the mathematical tools for formalizing those limitations existed. Its legacy runs through cybernetics, complex systems theory, and the work of Ilya Prigogine on dissipative structures, even if the lineage is rarely acknowledged.