Term Rewriting System R:
p(f(f(x))) -> q(f(g(x)))
p(g(g(x))) -> q(g(f(x)))
q(f(f(x))) -> p(f(g(x)))
q(g(g(x))) -> p(g(f(x)))

Innermost Termination of R to be shown.

Dependency Pair Analysis

R contains the following Dependency Pairs:

P(f(f(x))) -> Q(f(g(x)))
P(g(g(x))) -> Q(g(f(x)))
Q(f(f(x))) -> P(f(g(x)))
Q(g(g(x))) -> P(g(f(x)))

R contains no SCCs.

Innermost Termination of R successfully shown.
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