Termination Proof Script

Consider the TRS R consisting of the rewrite rules
1:    2nd(cons(X,n__cons(Y,Z)))  → activate(Y)
2:    from(X)  → cons(X,n__from(n__s(X)))
3:    cons(X1,X2)  → n__cons(X1,X2)
4:    from(X)  → n__from(X)
5:    s(X)  → n__s(X)
6:    activate(n__cons(X1,X2))  → cons(activate(X1),X2)
7:    activate(n__from(X))  → from(activate(X))
8:    activate(n__s(X))  → s(activate(X))
9:    activate(X)  → X
There are 8 dependency pairs:
10:    2nd#(cons(X,n__cons(Y,Z)))  → ACTIVATE(Y)
11:    FROM(X)  → CONS(X,n__from(n__s(X)))
12:    ACTIVATE(n__cons(X1,X2))  → CONS(activate(X1),X2)
13:    ACTIVATE(n__cons(X1,X2))  → ACTIVATE(X1)
14:    ACTIVATE(n__from(X))  → FROM(activate(X))
15:    ACTIVATE(n__from(X))  → ACTIVATE(X)
16:    ACTIVATE(n__s(X))  → S(activate(X))
17:    ACTIVATE(n__s(X))  → ACTIVATE(X)
The approximated dependency graph contains one SCC: {13,15,17}. Hence the TRS is terminating.
Tyrolean Termination Tool  (0.00 seconds)   ---  May 3, 2006