| stat ≠ erasing ⊦ n < # wlar ∧ wlar[n] = wl-entry(m0, stat) ∧ valid-eraseq(wlar, q) → valid-eraseq(wlar[n, wl-entry(m1, erasing)], q + eq-entry(n, lref) ') |
wlar[n] = wl-entry(m0, stat), n < # wlar, valid-eraseq(wlar, q) ⊦ stat = erasing, valid-eraseq(wlar[n, wl-entry(m1, erasing)], q + eq-entry(n, lref) ')