Exam 4: Categorical Propositions

Categorical Proposition 1B Given the categorical proposition: "Some forest fires that are not started by campers are conflagrations that are not easily extinguished." -In Categorical Proposition 1B:

An avocado is not a vegetable.

All A are non-B. (F) No A are non-B.

Some A are not non-B. (T) Subcontrary

Categorical Proposition 1B Given the categorical proposition: "Some forest fires that are not started by campers are conflagrations that are not easily extinguished." -In Categorical Proposition 1B, the copula is:

Some A are B. (F) Some A are not B.

None but kind people are well intentioned.

Categorical Proposition 1G Given the categorical proposition: "Some paintings that are not characteristic of the Byzantine period are works that are not being auctioned by Christie's." -In Categorical Proposition 1G, the quality is:

Some non-A are not B. (T) Subcontrary

Categorical Proposition 1H Given the categorical proposition: "All urns that are not made of marble are articles that are currently on sale." -In Categorical Proposition 1H, the quantity is:

It is false that some sailboats are steamships. Therefore, some sailboats are not steamships.

Some non-A are B. (F) Some B are non-A.

No A are B. (T) All A are B.

The categorical proposition "Some admirers of Bertolt Brecht are not avid theater-goers" is an:

No expensive lawsuits are friendly exchanges. Therefore, no unfriendly exchanges are inexpensive lawsuits.

Some A are not non-B. (T) Some A are B.

Categorical Proposition 1F Given the categorical proposition: "Some ID cards that are not easy documents to duplicate are forgeries that are not readily available on the Internet." -In Categorical Proposition 1F, the copula is:

Given the categorical proposition "Some fathers are responsible parents." If both the quality and the quantity are changed, the resulting proposition is:

Gnomes are not humans.

Some unhappy unicorns are not appreciative creatures. Therefore, some unappreciative creatures are not happy unicorns.