Module Brzozowski

module Brzozowski: sig .. end
Brzozowski's derivatives for symbolic KAT expressions

val deriv : Kat.expr' Kat.mem -> Kat.expr' -> Kat.expr' Kat.node Kat.span
derivatives
val dfa : unit -> (Kat.expr', Kat.var, Bdd.key, Bdd.formula) Automata.sdfa
corresponding symbolic DFA