Dot.MakeSourceFunctor for making a module to export proofs to the DOT format.
Proof exporting
Currently, exporting a proof means printing it into a file according to the conventions of a given format.
module A :
Arg
with type atom := Mc2_core.Atom.t
and type hyp := Mc2_core.Clause.t
and type lemma := Mc2_core.Clause.t
and type assumption := Mc2_core.Clause.tA function for printing proofs in the desired format.