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Proof step 5 from proof inv-writemeta (previous step)

err0 = err1, root.dir?, fids-cons(root, fs, ofh), pre-writemeta(path, md, err, user, root, fs, ofh) ⊦ ⟪if err = ESUCCESS then if root[path].dir? then root[path].meta := md else let fid = root[path].fid in fs[fid].meta := md; psynced := ?⟫ (root.dir? ∧ fids-cons(root, fs, ofh))

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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