| m < # apebs, m0 < m ⊦ valid-eraseq-stronger(subarray(apebs, 0, m), q) ∧ valid-peb(v, n, apebs[m]) ∧ valid-sqns(v, n, apebs, m).max < apebs[m].vidhdr.sqn ∧ valid-peb(v, n, apebs[m0]) ∧ ¬ m0 ∈ q → valid-eraseq-stronger(subarray(apebs, 0, m + 1), q + eq-entry(m0, v × n) ') |