As I remembered it from law school (Property I, fall semester,
1961), once you closed, that was it! If a purchaser later on discovered a
problem for which his seller would unquestionably be responsible under
the contract of purchase and sale, forget it!
Ginsburg, Edwin M.
"The Doctrine of Merger With Respect to Real Estate Transactions: Taking the Bull by the Horns,"
Nova Law Review: Vol. 16
, Article 6.
Available at: http://nsuworks.nova.edu/nlr/vol16/iss3/6