Q. Let X = {m,n}, and ={ø, X, {m}, {n}} Define the function u:> – 0, 00) by 3 if n E A Hn (A) = Oif n ¢ A then a. u is a measure and u,{m,n}\{n}) = 0 b. is not a measure. c. Hln is a measure and...

Extracted text: Q. Let X = {m,n}, and ={ø, X, {m}, {n}} Define the function u:> – 0, 00) by 3 if n E A Hn (A) = Oif n ¢ A then a. u is a measure and u,{m,n}\{n}) = 0 b. is not a measure. c. Hln is a measure and u({n}\{m}) = 3 d. None of these.