Question 1088314
<pre>
1.  M &#8835; H
2. (K &#8744; F) &#8835; M
3.  K             /H

4.  K &#8744; F              3, Addition
5.  H               2,4,1, Hypothetical syllogism 

Note: It could be written this way

K &#8835; (K &#8744; F) &#8835; M  &#8835; H 

Edwin</pre>