| ⊦ ino ∈ dirs ∧ dirs[ino] = mkdir(n0, md, n, n1, entries) ∧ str ∈ entries ∧ afs-cons(dirs, files) → (entries[str] ∈ files ↔ ¬ entries[str] ∈ dirs) |
dirs[ino] = mkdir(n0, md, n, n1, entries), afs-cons(dirs, files), ino ∈ dirs, str ∈ entries ⊦ entries[str] ∈ files ↔ ¬ entries[str] ∈ dirs