Find the difference between two sets, namely ${6, -\frac{47}{7}, -2.77, -3, -7} \setminus {10, 2 \pi, -8, -\frac{8}{7}, -2.77}$.
Answer:
${-7, -\frac{47}{7}, -3, 6}$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/set_difference/29072.txt'}