... X. The rest of the proof is identical with the proof of Theorem 3.5. This completes the proof.Following similar arguments as in the proof of Theorems 3.5, 3.6,and3.7,weobtainimmediately the ... q2 t2x − y, ∀x, y ∈ X.3.32 The rest of the proof now follows that as in the proof of Theorem 3.5. This completes the proof.Theorem 3.7. Let H, W, {Hn}n≥0, {Wn}n≥0, ... 26,Theorem5.1 9, 11, Theorem 4.1 in 10, 20, Theorems 4.1–4.3 in 19, Theorems 1 and 2 in 23,andTheorems 3.1–3.6 in 3, 13.AcknowledgmentThis work was supported by the Science Research...