Question

Some professors wear glasses. Dr. Lynn wears glasses. Therefore, Dr. Lynn is a professor.
-A.B.C.D.E.	No book in English begins numbering its pages on a left-hand page. This is a book in English, therefore it will begin its numbering on a right-hand page
-A.B.C.D.E.	All math teachers are over 7 feet tall. Mr. Zoobie. is a math teacher. Therefore, Mr. Zoobie is over 7 feet tall.
-A.B.C.D.E.	No one who can afford health insurance is unemployed. All politicians can afford health insurance. Therefore, no politician is unemployed.
-A.B.C.D.E.	Roses are red and beautiful. Einstein was a genius. Therefore, if roses are red and beautiful, Einstein was a genius A. Sound B. Sound C. Valid D. Invalid E. Unsound .

Answer 1

1. This is an invalid argument and unsound argument.

2. This is a valid and sound argument.

3. This is a valid argument yet unsound argument.

4. This is an invalid argument and unsound argument.