(Pseudo) Meta Python

meta.py

import pandas as pd
import numpy as np
import itertools as it
import operator as o

df = pd.DataFrame(np.random.randint(1,10,size=(100,6)), columns=['a1', 'a2', 'b1', 'b2', 'c1', 'c2'])

cs = map(lambda x: reduce(o.and_, x), 
         list(it.product(*[[op(df[i] == 2) for op in [lambda x: ~x, lambda x: x]] for i in ['a1', 'a2', 'c1']])))

for ci in cs:
    print df[ci]