Certification Problem

Input (TPDB TRS_Standard/SK90/2.48)

The rewrite relation of the following TRS is considered.

d(x) e(u(x)) (1)
d(u(x)) c(x) (2)
c(u(x)) b(x) (3)
v(e(x)) x (4)
b(u(x)) a(e(x)) (5)

Property / Task

Prove or disprove termination.

Answer / Result

Yes.

Proof (by NaTT @ termCOMP 2023)

1 Dependency Pair Transformation

The following set of initial dependency pairs has been identified.
c#(u(x)) b#(x) (6)
d#(u(x)) c#(x) (7)

1.1 Dependency Graph Processor

The dependency pairs are split into 0 components.