A common mistake to avoid ·Typically,→is the main connective with廿 Common mistake:using as the main connective with∀： Vx At(x,NUS)A Smart(x) means"Everyone is at NUS and everyone is smart"A common mistake to avoid • Typically,  is the main connective with  • • Common mistake: using  as the main connective with : x At(x,NUS)  Smart(x) means “Everyone is at NUS and everyone is smart