Proof of Theorem 1 — the minimax chain $\min_V\max_{P_X}D(W\|V|P_X)=\max_{P_X}I(X\wedge Y|Z)$

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Proof of Theorem 1 — the minimax chain $\min_V\max_{P_X}D(W\|V|P_X)=\max_{P_X}I(X\wedge Y|Z)$ · Prove2Me