0.34/0.65 NO 0.34/0.66 0.34/0.66 Problem: 0.34/0.66 a(x1) -> x1 0.34/0.66 a(b(x1)) -> b(a(a(c(b(x1))))) 0.34/0.66 b(x1) -> a(x1) 0.34/0.66 c(c(x1)) -> x1 0.34/0.66 0.34/0.66 Proof: 0.34/0.66 Unfolding Processor: 0.34/0.66 loop length: 7 0.34/0.66 terms: 0.34/0.66 a(b(c(b(x3827)))) 0.34/0.66 b(a(a(c(b(c(b(x3827))))))) 0.34/0.66 b(a(a(c(a(c(b(x3827))))))) 0.34/0.66 b(a(a(c(c(b(x3827)))))) 0.34/0.66 b(a(a(b(x3827)))) 0.34/0.66 b(a(b(a(a(c(b(x3827))))))) 0.34/0.66 b(a(b(a(c(b(x3827)))))) 0.34/0.66 context: b([]) 0.34/0.66 substitution: 0.34/0.66 x3827 -> x3827 0.34/0.66 Qed 0.34/0.66 EOF