(STRATEGY
    INNERMOST)

(VAR
    u v x y)
(DATATYPES
    A = µX.< s(X), 0 >)
(SIGNATURES
    minus :: [A x A] -> A
    cond :: [A x A x A] -> A
    min :: [A x A] -> A)
(RULES
    minus(x,y) -> cond(min(x,y),x,y)
    cond(y,x,y) -> s(minus(x,s(y)))
    min(0(),v) -> 0()
    min(u,0()) -> 0()
    min(s(u),s(v)) -> s(min(u,v)))