Instructions: Determine whether each is argument valid or invalid by filling in the truth values in the blank truth table that has been provided. If the argument is invalid, highlight the line in the truth table that makes it invalid. Otherwise, write out the word "valid" by the truth table.

3. P ~ N

N v P

N	P		P		~	N	//	N	v	P

Valid or Invalid?

5. K ~ L

~ (L ~ K)

K L

K

L

K

~

L

/

~

(L

~

K)

//

K

L

Valid or Invalid?

6. Z

E (Z E)

Z	E		Z	/	E		(Z		E)

Valid or Invalid?

8. C D

E v ~ D

E C

C

D

E

C

D

/

E

v

~

D

//

E

C

Valid or Invalid?

9. A (B v C)

~ C v B

A B

A

B

C

A

(B

v

C)

/

~

C

v

B

//

A

B

Valid or Invalid?

11. ~ (K S)

S ~ (R v K)

R v ~ S

K

S

R

~

(K

S)

/

S

~

(R

v

K)

//

R

v

~

S

Valid or Invalid?

14. G H

R G

~ H v G

R H

G

H

R

G

H

/

R

G

/

~

H

v

G

//

R

H

Valid or Invalid?

15. L M

M N

N L

L v N

L

M

N

L

M

/

M

N

/

N

L

//

L

v

N

Valid or Invalid?