Invalid Arguments

Question 1

Invalid Argument 1:

Answer 1

A > B 
B
\_\_\_\_
A
on the basis of the two premises the statement doesn't have to be true

Question 2

Invalid Argument 2:

Answer 2

A > B
/A
____
/B (this could be true)

Question 3

Invalid Argument 3:

Answer 3

A > B some C
__________
A some C (this could be true)

Question 4

Invalid Argument 4:

Answer 4

A > B most C
__________
A most C (this could be true)

Question 5

Invalid Argument 5:

Answer 5

A some B
B some C
________
A some C (this could be true)

Question 6

Invalid Argument 6:

Answer 6

A most B
B most C
________
A most C (this could be true)

A most B
B most C
________
A some C

Question 7

Invalid Argument 7:

Answer 7

A some B
A some C
_______
B some C