a few fix after meeting with D Mentré

ROADMAP

@@ -77,6 +77,7 @@ NON PRIORITAIRE ?
 ** Ensure that we kill a prover after some time (ressurect %T ? with a
    meaning like twice the value of %t ?), because we cannot be sure they always
    honor their own -timeout option.
+** fix CVC3 printer: prints predicate def using LAMBDA
 
 * FRANCOIS CLAUDE, move Session module and its dependencies into the Why3 library
 ** but avoid duplication with session_ro

theories/set/Set.v

@@ -11,7 +11,7 @@ Definition set : forall (a:Type), Type.
 (* YOU MAY EDIT THE PROOF BELOW *)
 exact set_.
 (*
-(fun (X: Type) => X -> Prop).
+exact (fun (X: Type) => X -> Prop).
 *)
 Defined.
 (* DO NOT EDIT BELOW *)