| root.dir?, fids-cons(root, fs, ofh) ⊦ ⟪posix_rename#(path, path', user, ofh; err, root, fs; psynced)⟫ (fids-cons(root, fs, ofh) → root.dir?) |
root.dir? ⊦ [posix_rename#(path, path', user, ofh; err, root, fs; psynced)] root.dir?
ofh0 = ofh, path'0 = path', path0 = path, user0 = user, root.dir?, fids-cons(root, fs, ofh) ⊦ ⟪posix_rename#(path, path', user, ofh; err, root, fs; psynced)⟫ (root.dir? → fids-cons(root, fs, ofh) → root.dir?)