| ⊦ n < # pebs ∧ apebs[n] = mkpeb(aehdr, empty, buf, m, false) ∧ pebs[n] = mkpeb(buf0, m0, false) ∧ aehdr.valid? ∧ abs(pebs, apebs) → m0 = EB_PAGE_SIZE |
apebs[n] = mkpeb(aehdr, empty, buf, m, false), pebs[n] = mkpeb(buf0, m0, false), aehdr.valid?, n < # pebs, abs(pebs, apebs) ⊦ m0 = EB_PAGE_SIZE