MAYBE
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
b(b(b(b(x0)))) | → | b(b(b(a(b(x0))))) |
b(a(b(b(a(b(x0)))))) | → | b(b(a(b(b(x0))))) |
b(b(b(b(x0)))) | → | b(b(b(a(b(x0))))) |
b(a(b(b(a(b(x0)))))) | → | b(b(a(b(b(x0))))) |