Question 1033317
1.  ~(A*R)  ----------------------hypothesis
2.  ~A v ~R   --------------------de Morgan's 
3.  A > ~R   ---------------------material implication
4.  (A>~R)>W  --------------------hypothesis
5.  W         --------------------     modus ponens on #3 and #4
6.  W v ~R   --------------------disjunctive amplification