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Proof step 8 from proof expath-rec (previous step)

dirs[n] = mkdir(m, md, m0, m1, entries), str ∈ entries, n ∈ dirs, ∃ m. ispath(q, entries[str], m, dirs, files) ⊦ ∃ m2. ispath(q, entries[str], m2, dirs, files)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
dirs[n] = mkdir(m, md, m0, m1, entries), ispath(q, entries[str], m2, dirs, files), n ∈ dirs, str ∈ entries ⊦ ∃ m2. ispath(q, entries[str], m2, dirs, files)

Proof step 8 from proof expath-rec (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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