YES
The TRS could be proven terminating. The proof took 15 ms.
Problem 1 was processed with processor DependencyGraph (1ms).
h#(X) | → | c# | f#(f(X)) | → | c# |
f(f(X)) | → | c | c | → | d | |
h(X) | → | c |
Termination of terms over the following signature is verified: f, d, c, h