Certification Problem

Input (TPDB TRS_Standard/Various_04/07)

The rewrite relation of the following TRS is considered.

f(x,y) h(x,y) (1)
f(x,y) h(y,x) (2)
h(x,x) x (3)

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.
f#(x,y) h#(x,y) (4)
f#(x,y) h#(y,x) (5)

1.1 Dependency Graph Processor

The dependency pairs are split into 0 components.