Find the difference between two sets, namely ${-6 \sqrt{2}, -\frac{12}{7}, 3 \pi, 7, 3} \setminus {3, -\frac{11}{7}, -6 \sqrt{2}, 2, 7}$.
Answer:
${-\frac{12}{7}, 3 \pi}$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/set_difference/44797.txt'}