U41 tt N U51 tt s plus N M U71 tt plus x N M N and tt X U11 tt U12 isNat U12 tt U13 isNat U13 tt tt U21 tt U22 isNat U22 tt tt U31 tt U32 isNat U32 tt U33 isNat U33 tt tt U61 tt 0 isNat tt isNat U11 and isNatKind isNat U21 isNatKind isNat U31 and isNatKind isNatKind tt isNatKind and isNatKind isNatKind isNatKind plus N 0 U41 and isNat plus N s M U51 and and isNat x N 0 U61 and isNat x N s M U71 and and isNat U41 1 tt 0 U51 1 s 1 plus 2 U71 1 x 2 and 1 U11 1 U12 1 isNat 0 U13 1 U21 1 U22 1 U31 1 U32 1 U33 1 U61 1 0 0 isNatKind 0 FULL ./TRS/TRCSR/MYNAT_complete_L.trs