Valid Argument Forms

Question 1

All boys like to play computer games. Tom is a boy. Therfore, Tom likes to play computer games.

Answer 1

Affirming the Sufficient
A -> B
A
\_\_\_\_\_\_
B

Question 2

All doctors treat patients. Hercules does not treat patients. Therefore, Hercules is not a doctor.

Answer 2

Denying the Necessary
A ->B
/B
\_\_\_\_\_\_
/A

Question 3

Everyone has the capacity to love. To love requires compassion. Therefore, everyone has compassion.

Answer 3

The Transitive
A -> B -> C
__________
A -> C

Question 4

Some dogs are cute. All cute things are lovable. Therfore, some dogs are lovable.

Answer 4

A some B -> C
_____________
A some C

Question 5

Most cats are aloof. Everything that’s aloof is arrogant. Therefore, most cats are arrogant.

Answer 5

A most B -> C
____________
A most C

Question 6

All turtles know kung fu. All turtles are named after Italian artists. Therefore, some things that know kung fu are named after Italian artists.

Answer 6

A -> B
A -> C
______
B some C

Question 7

All A’s are B’s. Some A’s are C’s. Therefore, some B’s are C’s.

Answer 7

A -> B
A some C
________
B some C

Question 8

All Stars are bright. Most stars are supermassive. Therefore, some things that burn bright are supermassive.

Answer 8

A -> B
A most C
________
B some C

Question 9

Most turtles are delicious to eat. Most turtles know kung fu. Therefore, some things that are delicious to eat know kung fu.

Answer 9

A most B
A most C
________
B some C

Question 10

What is the structure for a Conditional Argument?

Answer 10

Question 11

What is the structure for a Contrapositive Argument?

Answer 11

Question 12

What is the structure for Conditional Chaining?

Answer 12

Question 13

What is the structure for Some Before All?

Answer 13

Question 14

What is the structure for Most Before All?

Answer 14

Question 15

What is the structure for Two Mosts?

Answer 15