In Einstein notation, the duplication in the i index indicates the sum on i. The former is then denoted ?ijk?imn = ?jm?kn ? ?jn?km.CMD berhak atas interpretasi akhir acara ini dan berhak mengubah, menangguhkan, atau membatalkan acara kapan saja.? i j ? i n = ? j n displaystyle varepsilon _ ij varepsilon ^ in = delta _ j ^ n The Levi-Civita image le