| wlar[n] = wl-entry(m3, stat), m1 < # wlar, m1 < m, m < # wlar, m1 + 1 < # wlar, n ∈ q, ∀ n. n ∈ q ↔ n < m ∧ wlar[n].status = erasing ⊦ n ∈ q ↔ ¬ m < n ∧ stat = erasing, n = m1, n = m |
wlar[n] = wl-entry(m3, stat), m1 + 1 < # wlar, m < # wlar, m1 < m, m1 < # wlar, n ∈ q, ∀ n. n ∈ q ↔ n < m ∧ wlar[n].status = erasing ⊦ n = m, n = m1, ¬ m < n ∧ stat = erasing