(STRATEGY
    INNERMOST)

(VAR
    x y z)
(DATATYPES
    A = µX.< 0, s(X) >)
(SIGNATURES
    quot :: [A x A x A] -> A
    plus :: [A x A] -> A)
(RULES
    quot(0(),s(y),s(z)) -> 0()
    quot(s(x),s(y),z) -> quot(x,y,z)
    plus(0(),y) -> y
    plus(s(x),y) -> s(plus(x,y))
    quot(x,0(),s(z)) -> s(quot(x
                              ,plus(z,s(0()))
                              ,s(z))))