1.84/0.80 NO 1.84/0.80 1.84/0.80 Problem: 1.84/0.80 a(x1) -> x1 1.84/0.80 a(b(x1)) -> b(a(a(c(a(a(x1)))))) 1.84/0.80 c(c(x1)) -> b(x1) 1.84/0.80 1.84/0.80 Proof: 1.84/0.80 String Reversal Processor: 1.84/0.80 a(x1) -> x1 1.84/0.80 b(a(x1)) -> a(a(c(a(a(b(x1)))))) 1.84/0.80 c(c(x1)) -> b(x1) 1.84/0.80 Unfolding Processor: 1.84/0.80 loop length: 7 1.84/0.80 terms: 1.84/0.80 b(a(a(x5241))) 1.84/0.80 a(a(c(a(a(b(a(x5241))))))) 1.84/0.80 a(a(c(a(b(a(x5241)))))) 1.84/0.80 a(a(c(b(a(x5241))))) 1.84/0.80 a(a(c(a(a(c(a(a(b(x5241))))))))) 1.84/0.80 a(a(c(a(c(a(a(b(x5241)))))))) 1.84/0.80 a(a(c(c(a(a(b(x5241))))))) 1.84/0.80 context: a(a([])) 1.84/0.80 substitution: 1.84/0.80 x5241 -> b(x5241) 1.84/0.80 Qed 1.84/0.80 EOF