The Fourth Law of Dynamics: Zulfia Deviation Law

AbstractNewton’s three laws describe the state before, the rate, and the boundary of everydynamical transition. None describes the internal field generated during the transition.This paper introduces the Fourth Law of Dynamics (Zulfia Deviation Law):every realized dynamics admits the irreducible decomposition D(t) = I(t) + ∆(t),where I(t) is the ideal component and ∆(t) is the Zulfia Deviation — the structuralremainder generated by every real transition. Differentiating twice yields the ZulfiaForce Decomposition: FD = FI + F∆. Every realized force contains an ideal partand a deviation part. Newton’s Second Law F = ma is the special case ∆ = 0, whichholds for no real physical system.The central physical claim: gravitational force is caused by Zulfia Devi-ation, not by spacetime curvature. Einstein’s curvature Rμν is the geometricrepresentation of the Zulfia Deviation — not its structural cause. The Fourth Lawis the deeper structural principle from which Einstein’s field equations emerge as ageometric encoding.