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Theorem refine-writemeta

ofh = abs-of(of), fs = abs-files(files), abs(root, ROOT_INO)(dirs), psynced → asynced, root.dir?, fids-cons(root, fs, ofh), of-cons(of, dirs, files), dom of < ino, afs-cons(dirs, files), err = err0 ⊦ ⟪vfs_writemeta#(path, md, user; err, dirs, files, asynced)⟫ ⟨posix_writemeta#(path, md, user, ofh; err0, root, fs; psynced)⟩ ((ofh = abs-of(of) ∧ fs = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced)) ∧ err = err0)

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