| 1: | 2nd(cons(X,n__cons(Y,Z))) | → activate(Y) | |
| 2: | from(X) | → cons(X,n__from(s(X))) | |
| 3: | cons(X1,X2) | → n__cons(X1,X2) | |
| 4: | from(X) | → n__from(X) | |
| 5: | activate(n__cons(X1,X2)) | → cons(X1,X2) | |
| 6: | activate(n__from(X)) | → from(X) | |
| 7: | activate(X) | → X | |
| 8: | 2nd#(cons(X,n__cons(Y,Z))) | → ACTIVATE(Y) | |
| 9: | FROM(X) | → CONS(X,n__from(s(X))) | |
| 10: | ACTIVATE(n__cons(X1,X2)) | → CONS(X1,X2) | |
| 11: | ACTIVATE(n__from(X)) | → FROM(X) | |