Termination of the following Term Rewriting System could not be shown:
Generalized rewrite system (where rules with free variables on rhs are allowed):
The TRS R consists of the following rules:
sel(0, cons) → X
sel(s, cons) → sel(X, Z)
dbl(0) → 0
dbl(s) → s
dbls(nil) → nil
dbls(cons) → cons
indx(nil) → nil
indx(cons) → cons
from → cons
↳ GTRS
Generalized rewrite system (where rules with free variables on rhs are allowed):
The TRS R consists of the following rules:
sel(0, cons) → X
sel(s, cons) → sel(X, Z)
dbl(0) → 0
dbl(s) → s
dbls(nil) → nil
dbls(cons) → cons
indx(nil) → nil
indx(cons) → cons
from → cons