/* from first-order logic, to propositional, to BDDs */

digraph g {
	a [label="full QfFOLTL\n (past + future)"];
	b [label="future QfFOLTL"];
	c [label="QfFOL with “next”\n (symbolic.Automaton attributes:\n init, action, win)"];
	d [label="PL\n (SlugsIn)"];
	e [label="BDD\n (dd.bdd.BDD)"];
	
	a -> b [label="logic.past"];
	b -> c [label="gr1.ltl_to_automaton"];
	c -> d [label="bitvector"];
	d -> e [label="symbolic.bdd"];
}