Valid/Invalid Argument Forms

Question 1

Valid or Invalid?

A → B
/B
____________
/A

Answer 1

Valid Argument Form 2

Question 2

Valid or Invalid?

A ‑m→ B
B ‑m→ C
____________
A ‑m→ C

or

A ‑m→ B ‑m→ C
____________
A ‑m→ C

Answer 2

Invalid Argument Form 6

Question 3

Valid or Invalid?

A some B some C
____________
A some C

Or

A some B
B some C
____________
A some C

Answer 3

Invalid Argument Form 5

Question 4

Valid or Invalid?

A some B
A some C
____________
B some C

Answer 4

Invalid Argument Form 7

Question 5

Valid or Invalid?

A → B
A ‑m→ C
____________
B some C

Answer 5

Valid Argument Form 8

Question 6

Valid or Invalid?

A ‑m→ B
A ‑m→ C
____________
B some C

Answer 6

Valid Argument Form 9

Question 7

Valid or Invalid?

A → B
B
____________
A

Answer 7

Invalid Argument Form 1

Question 8

Valid or Invalid?

A some B
B → C
____________
A some C

Or

A some B → C
____________
A some C

Answer 8

Valid Argument Form 4

Question 9

Valid or Invalid?

A → B
A
____________
B

Answer 9

Valid Argument Form 1

Question 10

Valid or Invalid?

A → B
B → C
____________
A → C

Or

A →B → C
____________
A → C

Answer 10

Valid Argument Form 3

Question 11

A → B
B some C
____________
A some C

Or

A → B some C
____________
A some C

Answer 11

Invalid Argument Form 3

Question 12

Valid or Invalid?

A → B
/A
____________
/B

Answer 12

Invalid Argument Form 2

Question 13

Valid or Invalid?

A ‑m→ B
B → C
____________
B ‑m→ C

or

A ‑m→ B → C
____________
B ‑m→ C

Answer 13

Valid Argument Form 5

Question 14

Valid or Invalid?

A → B
A → C
____________
B some C

Answer 14

Valid Argument Form 6

Question 15

Valid or Invalid?

A → B
A some C
____________
B some C

Answer 15

Valid Argument Form 7

Question 16

Valid or Invalid?

A → B
B ‑m→ C
____________
A ‑m→ C

or

A → B ‑m→ C
____________
A ‑m→ C

Answer 16

Invalid Argument Form 4