(VAR Y X)
(RULES 
minus(n__0,Y) -> 0
minus(n__s(X),n__s(Y)) -> minus(activate(X),activate(Y))
geq(X,n__0) -> true
geq(n__0,n__s(Y)) -> false
geq(n__s(X),n__s(Y)) -> geq(activate(X),activate(Y))
div(0,n__s(Y)) -> 0
div(s(X),n__s(Y)) -> if(geq(X,activate(Y)),n__s(div(minus(X,activate(Y)),n__s(activate(Y)))),n__0)
if(true,X,Y) -> activate(X)
if(false,X,Y) -> activate(Y)
0 -> n__0
s(X) -> n__s(X)
activate(n__0) -> 0
activate(n__s(X)) -> s(X)
activate(X) -> X
)