MAYBE 35.68/10.30 MAYBE 35.68/10.30 35.68/10.30 Problem: 35.68/10.30 a(x1) -> x1 35.68/10.30 a(a(x1)) -> a(b(a(c(a(x1))))) 35.68/10.30 c(b(x1)) -> a(c(x1)) 35.68/10.30 35.68/10.30 Proof: 35.68/10.30 Open 35.68/10.30 EOF