| wlar[n].ec = m, wle = wl-entry(m, stat) ⊦ sum-of-differences(ecs(wlar[n, wle]).max, ecs(wlar[n, wle])) = sum-of-differences(ecs(wlar).max, ecs(wlar)) |
⊦ sum-of-differences(ecs(wlar[n, wl-entry(wlar[n].ec, stat)]).max, ecs(wlar[n, wl-entry(wlar[n].ec, stat)])) = sum-of-differences(ecs(wlar).max, ecs(wlar))