YES Input TRS: AC symbols: + * 1: dx(X()) -> 1() 2: dx(0()) -> 0() 3: dx(1()) -> 0() 4: dx(a()) -> 0() 5: dx(+(f,g)) -> +(dx(f),dx(g)) 6: dx(*(f,g)) -> +(*(dx(f),g),*(dx(g),f)) 7: dx(-(f,g)) -> -(dx(f),dx(g)) 8: dx(neg(f)) -> neg(dx(f)) 9: dx(/(f,g)) -> -(/(dx(f),g),/(*(dx(g),f),exp(g,2()))) 10: dx(ln(f)) -> /(dx(f),f) 11: dx(exp(f,g)) -> +(*(dx(f),*(exp(f,-(g,1())),g)),*(dx(g),*(exp(f,g),ln(f)))) Number of strict rules: 11 Direct POLO(bPol) ... failed. Uncurrying ... failed. Dependency Pairs: #1: #dx(*(f,g)) -> #dx(f) #2: #dx(*(f,g)) -> #dx(g) #3: #dx(/(f,g)) -> #dx(f) #4: #dx(/(f,g)) -> #dx(g) #5: #dx(exp(f,g)) -> #dx(f) #6: #dx(exp(f,g)) -> #dx(g) #7: #dx(-(f,g)) -> #dx(f) #8: #dx(-(f,g)) -> #dx(g) #9: #dx(ln(f)) -> #dx(f) #10: #dx(+(f,g)) -> #dx(f) #11: #dx(+(f,g)) -> #dx(g) #12: #dx(neg(f)) -> #dx(f) Number of SCCs: 1, DPs: 12 SCC { #1..12 } POLO(Sum)... succeeded. a w: 0 1 w: 0 ln w: x1 + 1 / w: x1 + x2 + 1 #dx w: x1 dx w: 0 0 w: 0 - w: x1 + x2 + 1 neg w: x1 + 1 2 w: 0 exp w: x1 + x2 + 1 + w: x1 + x2 + 1 X w: 0 * w: x1 + x2 + 1 USABLE RULES: { } Removed DPs: #1..12 Number of SCCs: 0, DPs: 0 Next Dependency Pairs: Number of SCCs: 0, DPs: 0