Certification Problem

Input (COPS 652)

We consider the TRS containing the following rules:

c c (1)
h(a,h(f(b),c)) c (2)

The underlying signature is as follows:

{c/0, h/2, a/0, f/1, b/0}

Property / Task

Prove or disprove confluence.

Answer / Result

Yes.

Proof (by ACP @ CoCo 2023)

1 Development Closed

Confluence is proven since the TRS is development closed. The joins can be performed using 1 development step(s).