If A, B and C are any three arbitrary events then which one of the following expressions shows that both A and B occur but not C ?

Options

A. `A nn bar(B) nn bar(C)`
B. `A nn B nn bar(C)`
C. `A nn B nn C`
D. `A nn bar(B) nn C`

Answer

B

Explanation

IF A, B, C are any three arbitary events then only expression `A nn B nn bar(C)` will show that both A and B occur but not C.