Input TRS: 1: 2nd(cons1(X,cons(Y,Z))) -> Y 2: 2nd(cons(X,X1)) -> 2nd(cons1(X,activate(X1))) 3: from(X) -> cons(X,n__from(n__s(X))) 4: from(X) -> n__from(X) 5: s(X) -> n__s(X) 6: activate(n__from(X)) -> from(activate(X)) 7: activate(n__s(X)) -> s(activate(X)) 8: activate(X) -> X Number of strict rules: 8 Direct Order(PosReal,>,Poly) ... failed. Freezing 2nd 1: 2nd❆1_cons1(X,cons(Y,Z)) -> Y 2: 2nd❆1_cons(X,X1) -> 2nd❆1_cons1(X,activate(X1)) 3: from(X) -> cons(X,n__from(n__s(X))) 4: from(X) -> n__from(X) 5: s(X) -> n__s(X) 6: activate(n__from(X)) -> from(activate(X)) 7: activate(n__s(X)) -> s(activate(X)) 8: activate(X) -> X 9: 2nd(cons(_1,_2)) ->= 2nd❆1_cons(_1,_2) 10: 2nd(cons1(_1,_2)) ->= 2nd❆1_cons1(_1,_2) Number of strict rules: 8 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #2nd❆1_cons(X,X1) -> #2nd❆1_cons1(X,activate(X1)) #2: #2nd❆1_cons(X,X1) -> #activate(X1) #3: #activate(n__from(X)) -> #from(activate(X)) #4: #activate(n__from(X)) -> #activate(X) #5: #2nd(cons(_1,_2)) ->? #2nd❆1_cons(_1,_2) #6: #activate(n__s(X)) -> #s(activate(X)) #7: #activate(n__s(X)) -> #activate(X) #8: #2nd(cons1(_1,_2)) ->? #2nd❆1_cons1(_1,_2) Number of SCCs: 1, DPs: 2, edges: 4 SCC { #4 #7 } Removing DPs: Order(PosReal,>,Sum)... succeeded. #2nd❆1_cons(x1,x2) weight: 0 s(x1) weight: 0 activate(x1) weight: 0 n__from(x1) weight: (/ 1 2) + x1 #activate(x1) weight: x1 2nd(x1) weight: 0 2nd❆1_cons(x1,x2) weight: 0 n__s(x1) weight: (/ 1 2) + x1 cons1(x1,x2) weight: 0 from(x1) weight: 0 #s(x1) weight: 0 #2nd(x1) weight: 0 #from(x1) weight: 0 cons(x1,x2) weight: 0 #2nd❆1_cons1(x1,x2) weight: 0 2nd❆1_cons1(x1,x2) weight: 0 Usable rules: { } Removed DPs: #4 #7 Number of SCCs: 0, DPs: 0, edges: 0 YES