YES TRS: a__eq(0(),0()) -> true() a__eq(s(X),s(Y)) -> a__eq(X,Y) a__eq(X,Y) -> false() a__inf(X) -> cons(X,inf(s(X))) a__take(0(),X) -> nil() a__take(s(X),cons(Y,L)) -> cons(Y,take(X,L)) a__length(nil()) -> 0() a__length(cons(X,L)) -> s(length(L)) mark(eq(X1,X2)) -> a__eq(X1,X2) mark(inf(X)) -> a__inf(mark(X)) mark(take(X1,X2)) -> a__take(mark(X1),mark(X2)) mark(length(X)) -> a__length(mark(X)) mark(0()) -> 0() mark(true()) -> true() mark(s(X)) -> s(X) mark(false()) -> false() mark(cons(X1,X2)) -> cons(X1,X2) mark(nil()) -> nil() a__eq(X1,X2) -> eq(X1,X2) a__inf(X) -> inf(X) a__take(X1,X2) -> take(X1,X2) a__length(X) -> length(X) linear polynomial interpretations on N: a__eq_A(x1,x2) = 3 a__eq#_A(x1,x2) = 6 0_A = 1 0#_A = 2 true_A = 0 true#_A = 5 s_A(x1) = x1 s#_A(x1) = 0 false_A = 1 false#_A = 0 a__inf_A(x1) = x1 + 3 a__inf#_A(x1) = 6 cons_A(x1,x2) = x2 cons#_A(x1,x2) = 1 inf_A(x1) = x1 + 3 inf#_A(x1) = 5 a__take_A(x1,x2) = x1 + x2 a__take#_A(x1,x2) = x2 + 3 nil_A = 1 nil#_A = 2 take_A(x1,x2) = x1 + x2 take#_A(x1,x2) = 2 a__length_A(x1) = x1 a__length#_A(x1) = 3 length_A(x1) = x1 length#_A(x1) = 2 mark_A(x1) = x1 mark#_A(x1) = x1 + 4 eq_A(x1,x2) = 3 eq#_A(x1,x2) = 0 precedence: true = take > a__eq = a__take = length > mark = eq > false = a__inf = a__length > 0 = cons = inf = nil > s