What is the truth value of the formula (P⊕Q) ⟺ (P̸ ⟺ Q)(P \oplus Q) \iff (P \not\iff Q)(P⊕Q)⟺(P⟺Q)?
Always True
Always False
True when P,QP, QP,Q have same values
True when P,QP, QP,Q have different values