Termination w.r.t. Q of the following Term Rewriting System could be proven:
Q restricted rewrite system:
The TRS R consists of the following rules:
f(g(x), h(x), y, x) → f(y, y, y, x)
f(x, y, z, 0) → 2
g(0) → 2
h(0) → 2
Q is empty.
↳ QTRS
↳ DependencyPairsProof
Q restricted rewrite system:
The TRS R consists of the following rules:
f(g(x), h(x), y, x) → f(y, y, y, x)
f(x, y, z, 0) → 2
g(0) → 2
h(0) → 2
Q is empty.
Using Dependency Pairs [1,13] we result in the following initial DP problem:
Q DP problem:
The TRS P consists of the following rules:
F(g(x), h(x), y, x) → F(y, y, y, x)
The TRS R consists of the following rules:
f(g(x), h(x), y, x) → f(y, y, y, x)
f(x, y, z, 0) → 2
g(0) → 2
h(0) → 2
Q is empty.
We have to consider all minimal (P,Q,R)-chains.
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ EdgeDeletionProof
Q DP problem:
The TRS P consists of the following rules:
F(g(x), h(x), y, x) → F(y, y, y, x)
The TRS R consists of the following rules:
f(g(x), h(x), y, x) → f(y, y, y, x)
f(x, y, z, 0) → 2
g(0) → 2
h(0) → 2
Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We deleted some edges using various graph approximations
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ EdgeDeletionProof
↳ QDP
↳ DependencyGraphProof
Q DP problem:
The TRS P consists of the following rules:
F(g(x), h(x), y, x) → F(y, y, y, x)
The TRS R consists of the following rules:
f(g(x), h(x), y, x) → f(y, y, y, x)
f(x, y, z, 0) → 2
g(0) → 2
h(0) → 2
Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [13,14,18] contains 0 SCCs with 1 less node.