YES Input TRS: 1: c(b(a(X))) -> a(a(b(b(c(c(X)))))) 2: a(X) -> e() 3: b(X) -> e() 4: c(X) -> e() Number of strict rules: 4 Direct POLO(bPol) ... failed. Uncurrying ... failed. Dependency Pairs: #1: #c(b(a(X))) -> #a(a(b(b(c(c(X)))))) #2: #c(b(a(X))) -> #a(b(b(c(c(X))))) #3: #c(b(a(X))) -> #b(b(c(c(X)))) #4: #c(b(a(X))) -> #b(c(c(X))) #5: #c(b(a(X))) -> #c(c(X)) #6: #c(b(a(X))) -> #c(X) Number of SCCs: 1, DPs: 1 SCC { #6 } POLO(Sum)... succeeded. a w: x1 + 1 b w: x1 c w: 0 #c w: x1 e w: 0 #a w: 0 #b w: 0 USABLE RULES: { } Removed DPs: #6 Number of SCCs: 0, DPs: 0