29.37/7.78 NO 29.37/7.78 29.37/7.78 Problem: 29.37/7.78 a(x1) -> x1 29.37/7.78 a(b(x1)) -> b(c(b(a(a(x1))))) 29.37/7.78 b(x1) -> a(x1) 29.37/7.78 c(c(x1)) -> x1 29.37/7.78 29.37/7.78 Proof: 29.37/7.78 String Reversal Processor: 29.37/7.78 a(x1) -> x1 29.37/7.78 b(a(x1)) -> a(a(b(c(b(x1))))) 29.37/7.78 b(x1) -> a(x1) 29.37/7.78 c(c(x1)) -> x1 29.37/7.78 Unfolding Processor: 29.37/7.78 loop length: 9 29.37/7.78 terms: 29.37/7.78 b(a(a(a(x92236)))) 29.37/7.78 a(a(b(c(b(a(a(x92236))))))) 29.37/7.78 a(a(b(c(a(a(b(c(b(a(x92236)))))))))) 29.37/7.78 a(a(b(c(a(b(c(b(a(x92236))))))))) 29.37/7.78 a(a(b(c(b(c(b(a(x92236)))))))) 29.37/7.78 a(a(b(c(a(c(b(a(x92236)))))))) 29.37/7.78 a(a(b(c(c(b(a(x92236))))))) 29.37/7.78 a(a(b(b(a(x92236))))) 29.37/7.78 a(a(b(a(a(b(c(b(x92236)))))))) 29.37/7.78 context: a(a([])) 29.37/7.78 substitution: 29.37/7.78 x92236 -> c(b(x92236)) 29.37/7.78 Qed 29.51/7.78 EOF