Recursive solution of a class of combinatorial problems: an example

6. Conel uMons Presented here was the sohitiou of two combimd;orial problems by vnA)eddilig the ,~ive, problem Jft a la.rger class of problems at]d Lher, solving the set; of problems by r e e u l ' s i o n, [{E<F:,[ V S:D J u >4 ~,;, 9t;4; t~E v [ s F,D J ! /N ~',, I !)65, 620 ( : o m , m ~ n l c a t h m s o f t h e A C S ! V o h m l e 8 / Ni t ro |pe r 1.0 / Oelo|J,~r, L965