is a variable \lam{s'} that is never used. Together, these two will form
the state process of the function. \lam{s} contains the "current" state,
\lam{s'} is assigned the "next" state. So, at the end of each clock
is a variable \lam{s'} that is never used. Together, these two will form
the state process of the function. \lam{s} contains the "current" state,
\lam{s'} is assigned the "next" state. So, at the end of each clock