Chapter 5, Level 2 Self Quiz: FI

* not completed

. In the traditional square of opposition, two contrary categorical propositions can both be false at the same time.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. In the traditional square of opposition, if the superaltern is true the subaltern must be false.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. In the traditional square of opposition, contradictories always have the same truth value.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. In the traditional square of opposition, if a subcontrary is given as true, the other must be true.

TRUE correct incorrect

FALSE correct incorrect

* not completed

. In the traditional square of opposition, if a subaltern is given as true, the superaltern must be true.

TRUE correct incorrect

FALSE correct incorrect