\] Let $T$ be a closed linear relation from a Hilbert space $\sH$ to a Hilbert space $\sK$, let $T_\op$ be the orthogonal operator part of $T$, and let the selfadjoint operator $B \in \mathbf{B}(\sK)$ be decomposed as in . Let the operators $C_0$ and $C$ be defined by and . Then 