Select all of the following that are true: the negation is always equivalent to the inverse. the converse is always equivalent to the original statement. the negation is always equivalent to the converse. the contrapositive is always equivalent to the converse. the converse is always equivalent to the contrapositive. the contrapositive is always equivalent to the inverse. the negation is always equivalent to the contrapositive. the inverse is always equivalent to the contrapositive. the contrapositive is always equivalent to the original statement. the converse is always equivalent to the inverse. the inverse is always equivalent to the original statement.