module Dnf: sig .. end
sig
end
type 'a t = 'a Bddapron.Cond.cond Bdd.Normalform.dnf
'a
'a Bddapron.Cond.cond Bdd.Normalform.dnf
(c1 and c2) or c3
[|[c1,c2],[c3]|]