| n < # wlar, stat ≠ erroneous ⊦ apebs[n] = mkpeb(aehdr, avhdr, buf, m, boolvar) ∧ wlar[n] = wl-entry(m0, stat) ∧ valid-wl(apebs, wlar) → ¬ boolvar |
apebs[n] = mkpeb(aehdr, avhdr, buf, m, boolvar), wlar[n] = wl-entry(m0, stat), boolvar, n < # wlar, valid-wl(apebs, wlar) ⊦ stat = erroneous