# Q2. 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.(i) If x  A and A  B , then x  B

The given statment is false,

example: Let A = { 2,4 }

B = { 1,{2,4},5}

x be 2.

then, 2    { 2,4 } = x  A and { 2,4 }  { 1,{2,4},5} = A  B

But 2  { 1,{2,4},5}  i.e. x  B

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