| # apebs = # wlar, valid-eraseq(wlar, q), valid-eraseq-stronger(apebs, q), valid-recs(apebs, wlar, recs), valid-wl(apebs, wlar) ⊦ valid-sqns(v, m, apebs) = ∅, v × m ∈ recs |
# apebs = # wlar, valid-eraseq(wlar, q), valid-eraseq-stronger(apebs, q), valid-recs(apebs, wlar, recs), valid-wl(apebs, wlar) ⊦ valid-sqns(v, m, apebs) = ∅, v × m ∈ recs