NO
0.09/0.18	NO
0.09/0.18	
0.09/0.18	Problem:
0.09/0.18	 U94(tt()) -> s(length(L))
0.09/0.18	 zeros() -> cons(0())
0.09/0.18	 U11(tt()) -> U12(isNatIListKind())
0.09/0.18	 U12(tt()) -> U13(isNatList())
0.09/0.18	 U13(tt()) -> tt()
0.09/0.18	 U21(tt()) -> U22(isNatKind())
0.09/0.18	 U22(tt()) -> U23(isNat())
0.09/0.18	 U23(tt()) -> tt()
0.09/0.18	 U31(tt()) -> U32(isNatIListKind())
0.09/0.18	 U32(tt()) -> U33(isNatList())
0.09/0.18	 U33(tt()) -> tt()
0.09/0.18	 U41(tt()) -> U42(isNatKind())
0.09/0.18	 U42(tt()) -> U43(isNatIListKind())
0.09/0.18	 U43(tt()) -> U44(isNatIListKind())
0.09/0.18	 U44(tt()) -> U45(isNat())
0.09/0.18	 U45(tt()) -> U46(isNatIList())
0.09/0.18	 U46(tt()) -> tt()
0.09/0.18	 U51(tt()) -> U52(isNatIListKind())
0.09/0.18	 U52(tt()) -> tt()
0.09/0.18	 U61(tt()) -> tt()
0.09/0.18	 U71(tt()) -> tt()
0.09/0.18	 U81(tt()) -> U82(isNatKind())
0.09/0.18	 U82(tt()) -> U83(isNatIListKind())
0.09/0.18	 U83(tt()) -> U84(isNatIListKind())
0.09/0.18	 U84(tt()) -> U85(isNat())
0.09/0.18	 U85(tt()) -> U86(isNatList())
0.09/0.18	 U86(tt()) -> tt()
0.09/0.18	 U91(tt()) -> U92(isNatIListKind())
0.09/0.18	 U92(tt()) -> U93(isNat())
0.09/0.18	 U93(tt()) -> U94(isNatKind())
0.09/0.18	 isNat() -> tt()
0.09/0.18	 isNat() -> U11(isNatIListKind())
0.09/0.18	 isNat() -> U21(isNatKind())
0.09/0.18	 isNatIList() -> U31(isNatIListKind())
0.09/0.18	 isNatIList() -> tt()
0.09/0.18	 isNatIList() -> U41(isNatKind())
0.09/0.18	 isNatIListKind() -> tt()
0.09/0.18	 isNatIListKind() -> U51(isNatKind())
0.09/0.18	 isNatKind() -> tt()
0.09/0.18	 isNatKind() -> U61(isNatIListKind())
0.09/0.18	 isNatKind() -> U71(isNatKind())
0.09/0.18	 isNatList() -> tt()
0.09/0.18	 isNatList() -> U81(isNatKind())
0.09/0.18	 length(nil()) -> 0()
0.09/0.18	 length(cons(N)) -> U91(isNatList())
0.09/0.18	
0.09/0.18	Proof:
0.09/0.18	 Fresh Variable Processor:
0.09/0.18	  loop length: 1
0.09/0.18	  terms:
0.09/0.18	   U94(tt())
0.09/0.18	  context: s(length([]))
0.09/0.18	  substitution:
0.09/0.18	   L -> U94(tt())
0.09/0.18	  Qed
0.09/0.19	EOF