| # buf = EB_PAGE_SIZE, LEB_SIZE = n1 + logoff0, avol[m5] = mapped(buf1), buf0 = buf, m = logoff0, m0 = m5, n = EB_PAGE_SIZE, n0 = 0, m0 < # avol, m5 < # avol, logoff0 < LEB_SIZE, ebm-vol-inv(avol), is-aligned(logoff0, EB_PAGE_SIZE), is-encoded(log0, buf1), is-encoded(log, subarray(buf1, 0, logoff0)), logoff0 ≤ # buf1 ⊦ n1 = 0, m0 < # avol |