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(s(X))) | |
4: | from(X) | → n__from(X) | |
5: | activate(n__from(X)) | → from(X) | |
6: | activate(X) | → X | |
7: | 2nd#(cons(X,X1)) | → 2nd#(cons1(X,activate(X1))) | |
8: | 2nd#(cons(X,X1)) | → ACTIVATE(X1) | |
9: | ACTIVATE(n__from(X)) | → FROM(X) | |