Question 1060015
<pre></b>
1. P v (T v R) 
2. T &#8835; S 
3. R &#8835; Q 
4. ~P            /S v Q

5. T v R                          1,4 Disjunctive Syllogism
6. (T &#8835; S) & (R &#8835; Q) & (T v R)   2,3,5, Conjunction 
7. S v Q                          6, Constructive dilemma

Edwin</pre><b>