(STRATEGY
    INNERMOST)

(VAR
    x y)
(DATATYPES
    A = µX.< true, s(X), 0, false >)
(SIGNATURES
    cond :: [A x A x A] -> A
    gr :: [A x A] -> A
    p :: [A] -> A)
(RULES
    cond(true(),x,y) -> cond(gr(x,y)
                            ,p(x)
                            ,s(y))
    gr(0(),x) -> false()
    gr(s(x),0()) -> true()
    gr(s(x),s(y)) -> gr(x,y)
    p(0()) -> 0()
    p(s(x)) -> x)