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Proof step 1 from proof links-putnew (conclusion)

⊦ ¬ ino ∈ dirs ∧ ino ≠ 0 → links(ino0, (dirs ++ ino)[ino, mkdir(m, md, n, n0, ∅)]) = links(ino0, dirs)

System applied rule normalize

And obtained the following new goals

Proof step 2:
⊦ ino = 0, links(ino0, (dirs ++ ino)[ino, mkdir(m, md, n, n0, ∅)]) = links(ino0, dirs), ino ∈ dirs

Rule argument

Additional information