In each of the following determine whether the statement is true or false. If it is true prove it . if it is false, give an example: If `AsubB\ a n d\ B in C ,\ t h e n\ A in Cdot`

Explanation

False.

As `A⊂B, B in C`

Let` A={2},B={0,2}, and C={1,{0,2},3}`

However, `A in C`