0.34/0.51 NO 0.34/0.51 0.34/0.51 Problem: 0.34/0.51 b(b(b(x1))) -> a(a(x1)) 0.34/0.51 a(a(x1)) -> b(a(b(x1))) 0.34/0.51 0.34/0.51 Proof: 0.34/0.51 Unfolding Processor: 0.34/0.51 loop length: 6 0.34/0.51 terms: 0.34/0.51 a(a(b(b(a(b(b(a(x739)))))))) 0.34/0.51 b(a(b(b(b(a(b(b(a(x739))))))))) 0.34/0.51 b(a(a(a(a(b(b(a(x739)))))))) 0.34/0.51 b(a(a(b(a(b(b(b(a(x739))))))))) 0.34/0.51 b(a(a(b(a(a(a(a(x739)))))))) 0.34/0.51 b(a(a(b(b(a(b(a(a(x739))))))))) 0.34/0.51 context: b([]) 0.34/0.51 substitution: 0.34/0.51 x739 -> b(x739) 0.34/0.51 Qed 0.34/0.52 EOF