Dynamic Epistemic Logic (DEL) can model complex information
scenarios in a way that appeals to logicians. However, existing DEL
implementations are ad-hoc, so we do not know how the framework really
performs. For this purpose, we want to hook up with the best available
model-checking and SAT techniques in computational logic. We do this
by first providing a bridge: a new faithful representation of DEL models
as so-called knowledge structures that allow for symbolic model checking.
Next, we show that we can now solve well-known benchmark problems in
epistemic scenarios much faster than with existing DEL methods. Finally,
we show that our method is not just a matter of implementation, but
that it raises significant issues about logical representation and update
