Prove the following argument using hypothetical reasoning.

	A D
	B (C D)
________	____________________
	(A B) C

Example Ans should be like this:_

S

(S ^ K) H

H A

___________

6 K A

Ans:

1 S Premise

2 (S ^ K) H Premise

3 H A Premise

4 K Hypothesis

5 K ^ S Conj. (1, 4)

6 S ^ K Comm. (5)

7 H M.P. (2, 6)

8 A M.P. (3, 7)