p

q

r

~p

~q

~p ^ ~q

(~p ^ ~q) ® r

Premise 1

~p ˅ ~q

Premise 2

Premise 1 ^ Premise 2

[Premise1 ^ Premise2] ® Conclusion

T

T

T

F

F

F

T

F

F

T

T

T

F

F

F

F

T

F

F

T

T

F

T

F

T

F

T

T

T

T

T

F

F

F

T

F

T

T

T

F

F

T

T

T

F

F

T

T

T

T

F

T

F

T

F

F

T

T

T

F

F

F

T

T

T

T

T

T

T

T

F

F

F

T

T

T

F

T

F

T