| dirs[n] = mkdir(m0, md, m1, m2, entries), ispath(p0, entries[name], m, dirs, files), name ∈ entries, n ∈ dirs, ∀ n, m, dirs, files. ispath(p0, n, m, dirs, files) → lookup(p0, n, dirs, files) = m ⊦ lookup(p0, entries[name], dirs, files) = m |
Used terms: entries[name], m, dirs, files