open ProofEngineHelpers
open ProofEngineTypes
+exception TheTypeOfTheCurrentGoalIsAMetaICannotChooseTheRightElimiantionPrinciple
exception NotAnInductiveTypeToEliminate
-exception NotTheRightEliminatorShape
-exception NoHypothesesFound
exception WrongUriToVariable of string
(* lambda_abstract newmeta ty *)
in
let s' = CicReduction.normalize ~delta:false context s in
res,(newmeta,context,s')::newmetasenv,newargument::arguments,lastmeta
+ (** NORMALIZE RATIONALE
+ * we normalize the target only NOW since we may be in this case:
+ * A1 -> A2 -> T where T = (\lambda x.A3 -> P) k
+ * and we want a mesasenv with ?1:A1 and ?2:A2 and not
+ * ?1, ?2, ?3 (that is the one we whould get if we start from the
+ * beta-normalized A1 -> A2 -> A3 -> P **)
| t -> (CicReduction.normalize ~delta:false context t),[],[],newmeta
in
(* WARNING: here we are using the invariant that above the most *)
let termty =
CicSubstitution.subst_vars exp_named_subst_diff termty
in
- prerr_endline ("term:" ^ CicPp.ppterm term);
- prerr_endline ("termty:" ^ CicPp.ppterm termty);
+(* prerr_endline ("term:" ^ CicPp.ppterm term);*)
+(* prerr_endline ("termty:" ^ CicPp.ppterm termty);*)
let subst,newmetasenv',t =
try
new_metasenv_and_unify_and_t newmeta' metasenv' proof context term' ty
in
mk_tactic (intros_tac ~mk_fresh_name_callback ())
-let cut_tac?(mk_fresh_name_callback = FreshNamesGenerator.mk_fresh_name ~subst:[]) ~term=
+let cut_tac ?(mk_fresh_name_callback = FreshNamesGenerator.mk_fresh_name ~subst:[]) term =
let cut_tac
?(mk_fresh_name_callback = FreshNamesGenerator.mk_fresh_name ~subst:[])
term (proof, goal)
in
mk_tactic (cut_tac ~mk_fresh_name_callback term)
-let letin_tac ?(mk_fresh_name_callback=FreshNamesGenerator.mk_fresh_name ~subst:[]) ~term=
+let letin_tac ?(mk_fresh_name_callback=FreshNamesGenerator.mk_fresh_name ~subst:[]) term =
let letin_tac
?(mk_fresh_name_callback = FreshNamesGenerator.mk_fresh_name ~subst:[])
term (proof, goal)
| C.Sort C.Set -> "_rec"
| C.Sort C.CProp -> "_rec"
| C.Sort (C.Type _)-> "_rect"
+ | C.Meta (_,_) -> raise TheTypeOfTheCurrentGoalIsAMetaICannotChooseTheRightElimiantionPrinciple
| _ -> assert false
in
U.uri_of_string (buri ^ "/" ^ name ^ ext ^ ".con")