Term Rewriting System R:
[x, y]
f(f(x, a), y) -> f(f(a, y), f(a, x))
Innermost Termination of R to be shown.
R
↳Dependency Pair Analysis
R contains the following Dependency Pairs:
F(f(x, a), y) -> F(f(a, y), f(a, x))
F(f(x, a), y) -> F(a, y)
F(f(x, a), y) -> F(a, x)
Furthermore, R contains one SCC.
R
↳DPs
→DP Problem 1
↳Remaining Obligation(s)
The following remains to be proven:
Dependency Pair:
F(f(x, a), y) -> F(f(a, y), f(a, x))
Rule:
f(f(x, a), y) -> f(f(a, y), f(a, x))
Strategy:
innermost
Innermost Termination of R could not be shown.
Duration:
0:00 minutes