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Proof step 13 from proof rename-root (previous step)

root0[path'] = fnode(fid), path' ≠ ε, root0[parent(path')].dir?, root0.dir?, py(user, parent(path'), root0, fs), py(user, parent(path), root0, fs), parent(path') ∈ root0, path ∈ root0, path' ∈ root0, ¬ root0[path].dir?, ¬ fid ∈ (root0 -- path)[path', root0[path]].fids, ¬ fid ∈ ofh.fids, ¬ path ⊑ path' ⊦ [psynced := ?] (root0 -- path)[path', root0[path]].dir?

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 14:
root0[path'] = fnode(fid), root0.dir?, root0[parent(path')].dir?, py(user, parent(path), root0, fs), py(user, parent(path'), root0, fs), path' ∈ root0, path ∈ root0, parent(path') ∈ root0 ⊦ path' = ε, (root0 -- path)[path', root0[path]].dir?, root0[path].dir?, fid ∈ (root0 -- path)[path', root0[path]].fids, fid ∈ ofh.fids, path ⊑ path'

Proof step 13 from proof rename-root (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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