/home/nowonder/forschung/aprove/TPDB05/TRS/TRCSR/Ex9_BLR02_Z.trs

The program

(VAR X Y M N X1 X2 X3)
(RULES 
filter(cons(X,Y),0,M) -> cons(0,n__filter(activate(Y),M,M))
filter(cons(X,Y),s(N),M) -> cons(X,n__filter(activate(Y),N,M))
sieve(cons(0,Y)) -> cons(0,n__sieve(activate(Y)))
sieve(cons(s(N),Y)) -> cons(s(N),n__sieve(filter(activate(Y),N,N)))
nats(N) -> cons(N,n__nats(s(N)))
zprimes -> sieve(nats(s(s(0))))
filter(X1,X2,X3) -> n__filter(X1,X2,X3)
sieve(X) -> n__sieve(X)
nats(X) -> n__nats(X)
activate(n__filter(X1,X2,X3)) -> filter(X1,X2,X3)
activate(n__sieve(X)) -> sieve(X)
activate(n__nats(X)) -> nats(X)
activate(X) -> X
)

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