@property
    def rank_binary(self):
        if self._rank_binary is None:
            self._rank_binary = int("".join(
                Subset.bitlist_from_subset(self.subset,
                                           self.superset)), 2)
        return self._rank_binary
Computes the binary ordered rank.
dataset/ETHPy150Open sympy/sympy/sympy/combinatorics/subsets.py/Subset.rank_binary