Let p: the book is interesting and q: the book has pictures. The notation p ∧ q represents the statement “The book is interesting
the book has pictures.”

The notation p ↔ q represents the statement “The book is interesting
the book has pictures.”

The notation q ∨ p represents the statement “The book has pictures
the book is interesting.”

The notation q → p represents the statement “The book is interesting
the book has pictures.”