Question: Let R = { A , B , C , D , E , H } be a relation scheme, and let the set of

Let R={A, B, C, D, E, H} be a relation scheme, and let the set of FDs that hold on $R$ be $F=\{A \rightarrow B, B C \rightarrow D, A \rightarrow C, E \rightarrow A, A \rightarrow E\}$. In this scheme, the dependency $A B \rightarrow D$ is a logical consequence of $F$ because

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