Causality as Structural Constraint (The Non-Modal Structural System IV)

This paper fixes causality without introducing production, generation, or temporal succession. Time has been fixed as retention without return under asymmetry, and speed has been fixed as a structural constraint. Within this framework, causality is not derived from temporal order, mechanism, or interaction. Causality is not defined as the production of effects from causes. It does not generate events, transmit influence, or require temporal sequence. Instead, it is fixed as a structural constraint under which retention holds without return. The paper presents a non-modal structural system in which causality is neither productive nor temporal but persists as a non-constitutive constraint intrinsic to retention under asymmetry.