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Proof step 27 from proof abs-tree (previous step)

ad = mkdir(m0, md, m1, m2, entries), m0 = # entries, (((m => ad * abs(sdt, entries)) * D1))(dirs), D0(dirs), m ∈ files, ∀ ino. ¬ ino ∈ files ∨ ¬ ino ∈ dirs, ∀ ino. ⌜ino⌝ ∈ sdt.fids → ino ∈ files ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 28:
(((m => mkdir(# entries, md, m1, m2, entries) * abs(sdt, entries)) * D1))(dirs), D0(dirs), m ∈ files, ∀ ino. ⌜ino⌝ ∈ sdt.fids → ino ∈ files, ∀ ino. ¬ ino ∈ files ∨ ¬ ino ∈ dirs ⊦

Proof step 27 from proof abs-tree (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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