YES Problem: p(m,n,s(r)) -> p(m,r,n) p(m,s(n),0()) -> p(0(),n,m) p(m,0(),0()) -> m Proof: DP Processor: DPs: p#(m,n,s(r)) -> p#(m,r,n) p#(m,s(n),0()) -> p#(0(),n,m) TRS: p(m,n,s(r)) -> p(m,r,n) p(m,s(n),0()) -> p(0(),n,m) p(m,0(),0()) -> m CDG Processor: DPs: p#(m,n,s(r)) -> p#(m,r,n) p#(m,s(n),0()) -> p#(0(),n,m) TRS: p(m,n,s(r)) -> p(m,r,n) p(m,s(n),0()) -> p(0(),n,m) p(m,0(),0()) -> m graph: Qed