Question

Let p be "x+4=13" and q be "x=9." Which of the following statements is a biconditional?Select the correct answer below:x+4=13 and x=9.If x+4=13, then x=9.x+4=13 if and only if x=9.x+4=13 only if x=9.

Answer 1

For two given simple statements P and Q, if they are connected with the logical connectivity 'if and only if', then the compund statement is called biconditional statement.

Now,

P: x+4=13

q: x=9

Then, their biconditional statement is x+4=13 if an donly if x=9

Hence the correct answer is (c)