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Proof step 7 from proof afs-cons-links-rmorphans (previous step)

alink = mklink(m, str), afs-cons(dirs, files), m ∈ orphans(dirs, files), m ∈ dirs, str ∈ dirs[m].entries ⊦ # orphans(dirs, files) = 0, orphans(dirs, files) = ∅

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
afs-cons(dirs, files), str ∈ dirs[m].entries, m ∈ dirs, m ∈ orphans(dirs, files) ⊦ # orphans(dirs, files) = 0, orphans(dirs, files) = ∅

Proof step 7 from proof afs-cons-links-rmorphans (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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