MAYBE MAYBE TRS: { gen(x) -> if1(le(x, 10()), x), table() -> gen(s(0())), if1(false(), x) -> nil(), if1(true(), x) -> if2(x, x), le(s(x), s(y)) -> le(x, y), le(s(x), 0()) -> false(), le(0(), y) -> true(), 10() -> s(s(s(s(s(s(s(s(s(s(0())))))))))), if2(x, y) -> if3(le(y, 10()), x, y), if3(false(), x, y) -> gen(s(x)), if3(true(), x, y) -> cons(entry(x, y, times(x, y)), if2(x, s(y))), times(s(x), y) -> plus(y, times(x, y)), times(0(), y) -> 0(), plus(s(x), y) -> s(plus(x, y)), plus(0(), y) -> y } DUP: We consider a duplicating system. Trs: { gen(x) -> if1(le(x, 10()), x), table() -> gen(s(0())), if1(false(), x) -> nil(), if1(true(), x) -> if2(x, x), le(s(x), s(y)) -> le(x, y), le(s(x), 0()) -> false(), le(0(), y) -> true(), 10() -> s(s(s(s(s(s(s(s(s(s(0())))))))))), if2(x, y) -> if3(le(y, 10()), x, y), if3(false(), x, y) -> gen(s(x)), if3(true(), x, y) -> cons(entry(x, y, times(x, y)), if2(x, s(y))), times(s(x), y) -> plus(y, times(x, y)), times(0(), y) -> 0(), plus(s(x), y) -> s(plus(x, y)), plus(0(), y) -> y } Fail