Question

If:
A = {2,5,6,8,11,15,18,19,24,29}

B = {1,3,7,11,13,18,22,25}

C = {3,4,6,13,14,19,22,26,29}

Then what is: A \ B,A \ C

My question is: what does the comma imply between the B and A?

Answer 1

I believe the question is asking:
i) what is A \ B, and
ii) what is A \ C