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Cartoon representation of a system A with an internal boundary and hence a separable state |A> = |A1>|A2>. Again the relationships depicted are topological, not geometric. Triangles represent QRFs; f and g are internal informational states. Information flow across is bidirectional by Equation (5); information also flows through the environment (dashed arrow). The communication loop is closed, generating positive Φ (Oizumi et al. 2014).
