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Proof step 17 from proof refine-link (previous step)

root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), psynced → asynced, path = ε ∨ path' = ε ⊦ root[path].dir?, root[path'].dir?

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), psynced → asynced, path = ε ∨ path' = ε ⊦ root[path'].dir?, root[path].dir?

Proof step 17 from proof refine-link (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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