]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/ocaml/cic_transformations/content2pres.ml
- the mathql interpreter is not helm-dependent any more
[helm.git] / helm / ocaml / cic_transformations / content2pres.ml
index 5d6923237e0b73ad25800f92edea881365d9f6bf..65d33f9171eedc75b8e657ef39eb419e73ffb128 100644 (file)
@@ -42,7 +42,7 @@ let rec split n l =
 
 let is_big_general countterm p =
   let maxsize = Cexpr2pres.maxsize in
-  let module Con = Cic2content in
+  let module Con = Content in
   let rec countp current_size p =
     if current_size > maxsize then current_size
     else 
@@ -62,23 +62,23 @@ let is_big_general countterm p =
       if current_size > maxsize then maxsize
       else 
         (match e with
-          Con.Declaration d -> 
+          `Declaration d -> 
             (match d.Con.dec_name with
                Some s -> current_size + 4 + (String.length s)
              | None -> prerr_endline "NO NAME!!"; assert false)
-        | Con.Hypothesis h ->
+        | `Hypothesis h ->
             (match h.Con.dec_name with
                 Some s -> current_size + 4 + (String.length s)
               | None -> prerr_endline "NO NAME!!"; assert false) 
-        | Con.Proof p -> countp current_size p
-        | Con.Definition d -> 
+        | `Proof p -> countp current_size p
+        | `Definition d -> 
             (match d.Con.def_name with
                 Some s -> 
                   let c1 = (current_size + 4 + (String.length s)) in
                   (countterm c1 d.Con.def_term)
               | None -> 
                   prerr_endline "NO NAME!!"; assert false) 
-        | Con.Joint ho -> maxsize + 1) (* we assume is big *)
+        | `Joint ho -> maxsize + 1) (* we assume is big *)
   and 
     countapplycontext current_size ac =
       List.fold_left countp current_size ac
@@ -105,6 +105,8 @@ let is_big_general countterm p =
              (match prem.Con.premise_binder with
                 Some s -> current_size + (String.length s)
               | None -> current_size + 7) 
+         | Con.Lemma lemma -> 
+             current_size + (String.length lemma.Con.lemma_name)
          | Con.Term t -> countterm current_size t
          | Con.ArgProof p -> countp current_size p
          | Con.ArgMethod s -> (maxsize + 1)) in
@@ -115,38 +117,49 @@ let is_big_general countterm p =
 let is_big = is_big_general (Cexpr2pres.countterm)
 ;;
 
-let make_row items concl =
+let get_xref =
+    let module Con = Content in
+      function
+        `Declaration d  
+      | `Hypothesis d -> d.Con.dec_id
+      | `Proof p -> p.Con.proof_id
+      | `Definition d -> d.Con.def_id
+      | `Joint jo -> jo.Con.joint_id
+;;
+
+let make_row ?(attrs=[]) items concl =
   let module P = Mpresentation in
     (match concl with 
        P.Mtable _ -> (* big! *)
-         P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
+         P.Mtable (attrs@[None,"align","baseline 1"; None,"equalrows","false";
           None,"columnalign","left"],
            [P.Mtr([],[P.Mtd ([],P.Mrow([],items))]);
             P.Mtr ([],[P.Mtd ([],P.indented concl)])])
      | _ ->  (* small *)
-       P.Mrow([],items@[P.Mspace([None,"width","0.1cm"]);concl]))
+       P.Mrow(attrs,items@[P.Mspace([None,"width","0.1cm"]);concl]))
 ;;
 
-let make_concl verb concl =
+let make_concl ?(attrs=[]) verb concl =
   let module P = Mpresentation in
     (match concl with 
        P.Mtable _ -> (* big! *)
-         P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
+         P.Mtable (attrs@[None,"align","baseline 1"; None,"equalrows","false";
           None,"columnalign","left"],
            [P.Mtr([],[P.Mtd ([],P.Mtext([None,"mathcolor","Red"],verb))]);
             P.Mtr ([],[P.Mtd ([],P.indented concl)])])
      | _ ->  (* small *)
-       P.Mrow([],
+       P.Mrow(attrs,
         [P.Mtext([None,"mathcolor","Red"],verb); 
          P.Mspace([None,"width","0.1cm"]);
          concl]))
 ;;
 
 let make_args_for_apply term2pres args =
- let module Con = Cic2content in
+ let module Con = Content in
  let module P = Mpresentation in
- let rec make_arg_for_apply is_first arg row = 
-   (match arg with 
+ let make_arg_for_apply is_first arg row = 
+  let res =
+   match arg with 
       Con.Aux n -> assert false
     | Con.Premise prem -> 
         let name = 
@@ -154,21 +167,27 @@ let make_args_for_apply term2pres args =
              None -> "previous"
            | Some s -> s) in
         P.Mi([],name)::row
+    | Con.Lemma lemma -> 
+         P.Mi([],lemma.Con.lemma_name)::row 
     | Con.Term t -> 
         if is_first then
           (term2pres t)::row
-        else P.Mspace([None,"width","0.1cm"])::P.Mi([],"_")::row
+        else P.Mi([],"_")::row
     | Con.ArgProof _ 
     | Con.ArgMethod _ -> 
-       P.Mspace([None,"width","0.1cm"])::P.Mi([],"_")::row) in
- match args with 
-   hd::tl -> 
-     make_arg_for_apply true hd 
-       (List.fold_right (make_arg_for_apply false) tl [])
- | _ -> assert false;;
+       P.Mi([],"_")::row
+  in
+   if is_first then res else P.smallskip::res
+ in
+  match args with 
+    hd::tl -> 
+      make_arg_for_apply true hd 
+        (List.fold_right (make_arg_for_apply false) tl [])
+  | _ -> assert false
+;;
 
 let rec justification term2pres p = 
-  let module Con = Cic2content in
+  let module Con = Content in
   let module P = Mpresentation in
   if ((p.Con.proof_conclude.Con.conclude_method = "Exact") or
      ((p.Con.proof_context = []) &
@@ -183,65 +202,81 @@ let rec justification term2pres p =
      
 and proof2pres term2pres p =
   let rec proof2pres p =
-    let module Con = Cic2content in
+    let module Con = Content in
     let module P = Mpresentation in
       let indent = 
         let is_decl e = 
           (match e with 
-             Con.Declaration _
-           | Con.Hypothesis _ -> true
+             `Declaration _
+           | `Hypothesis _ -> true
            | _ -> false) in
         ((List.filter is_decl p.Con.proof_context) != []) in 
+      let omit_conclusion = (not indent) && (p.Con.proof_context != []) in
       let concl = 
         (match p.Con.proof_conclude.Con.conclude_conclusion with
            None -> None
          | Some t -> Some (term2pres t)) in
       let body =
-          let presconclude = conclude2pres p.Con.proof_conclude indent in
+          let presconclude = 
+            conclude2pres p.Con.proof_conclude indent omit_conclusion in
           let presacontext = 
             acontext2pres p.Con.proof_apply_context presconclude indent in
           context2pres p.Con.proof_context presacontext in
-(*
-          P.Mtable ([("align","baseline 1");("equalrows","false");
-            ("columnalign","left")],
-            (context2pres_old p.Con.proof_context)@
-            (acontext2pres_old p.Con.proof_apply_context indent)@
-            [conclude2pres_old p.Con.proof_conclude indent]) in *)
       match p.Con.proof_name with
         None -> body
       | Some name ->
-          let ac = 
-        (match concl with
-               None -> P.Mtext([],"NO PROOF!!!")
-             | Some c -> c) in 
           let action = 
-            P.Maction([None,"actiontype","toggle"],
-              [(make_concl "proof of" ac);
-                body]) in
+           match concl with
+              None -> body
+(*
+               P.Maction
+                 ([None,"actiontype","toggle" ; None,"selection","1"],
+                  [P.Mtext [] "proof" ; body])
+*)
+            | Some ac ->
+               P.Maction
+                 ([None,"actiontype","toggle" ; None,"selection","1"],
+                  [(make_concl "proof of" ac); body])
+          in
           P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
               None,"columnalign","left"],
             [P.Mtr ([],[P.Mtd ([],P.Mfenced([],[P.Mtext ([],name)]))]);
              P.Mtr ([],[P.Mtd ([], P.indented action)])])
+(*
+          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
+              None,"columnalign","left";Some "helm", "xref", p.Con.proof_id],
+            [P.Mtr ([],[P.Mtd ([],P.Mfenced([],[P.Mtext ([],name)]))]);
+             P.Mtr ([],[P.Mtd ([], P.indented action)])]) *)
 
   and context2pres c continuation =
+    (* we generate a subtable for each context element, for selection
+       purposes 
+       The table generated by the head-element does not have an xref;
+       the whole context-proof is already selectable *)
     let module P = Mpresentation in
-    List.fold_right
-      (fun ce continuation ->
+    match c with
+      [] -> continuation
+    | hd::tl -> 
+        let continuation' =
+          List.fold_right
+            (fun ce continuation ->
+              let xref = get_xref ce in
+              P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
+               None,"columnalign","left"; Some "helm", "xref", xref ],
+                [P.Mtr([Some "helm", "xref", "ce_"^xref],[P.Mtd ([],ce2pres ce)]);
+                 P.Mtr([],[P.Mtd ([], continuation)])])) tl continuation in
+         let hd_xref= get_xref hd in
          P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
-          None,"columnalign","left"],
-           [P.Mtr([],[P.Mtd ([],ce2pres ce)]);
-            P.Mtr([],[P.Mtd ([], continuation)])])) c continuation
-
-  and context2pres_old c =
-    let module P = Mpresentation in
-    List.map 
-      (function ce -> P.Mtr ([], [P.Mtd ([], ce2pres ce)])) c
-
+           None,"columnalign","left"],
+             [P.Mtr([Some "helm", "xref", "ce_"^hd_xref],
+               [P.Mtd ([],ce2pres hd)]);
+             P.Mtr([],[P.Mtd ([], continuation')])])
+         
   and ce2pres =
     let module P = Mpresentation in
-    let module Con = Cic2content in
+    let module Con = Content in
       function
-        Con.Declaration d -> 
+        `Declaration d -> 
           (match d.Con.dec_name with
               Some s ->
                 let ty = term2pres d.Con.dec_type in
@@ -253,22 +288,26 @@ and proof2pres term2pres p =
                    ty])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false)
-      | Con.Hypothesis h ->
+      | `Hypothesis h ->
           (match h.Con.dec_name with
               Some s ->
                 let ty = term2pres h.Con.dec_type in
                 P.Mrow ([],
                   [P.Mtext([None,"mathcolor","Red"],"Suppose");
                    P.Mspace([None,"width","0.1cm"]);
-                   P.Mtext([],"(");
+                   P.Mo([],"(");
                    P.Mi ([],s);
-                   P.Mtext([],")");
+                   P.Mo([],")");
                    P.Mspace([None,"width","0.1cm"]);
                    ty])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false) 
-      | Con.Proof p -> proof2pres p
-      | Con.Definition d -> 
+      | `Proof p -> 
+           (match  p.Con.proof_name with
+              Some "w" -> prerr_endline ("processing w");
+            | _ -> ());
+           proof2pres p 
+      | `Definition d -> 
            (match d.Con.def_name with
               Some s ->
                 let term = term2pres d.Con.def_term in
@@ -279,10 +318,11 @@ and proof2pres term2pres p =
                    term])
             | None -> 
                 prerr_endline "NO NAME!!"; assert false) 
-      | Con.Joint ho -> 
+      | `Joint ho -> 
             P.Mtext ([],"jointdef")
 
   and acontext2pres ac continuation indent =
+    let module Con = Content in
     let module P = Mpresentation in
     List.fold_right
       (fun p continuation ->
@@ -292,37 +332,39 @@ and proof2pres term2pres p =
            else 
              proof2pres p in
          P.Mtable([None,"align","baseline 1"; None,"equalrows","false";
-          None,"columnalign","left"],
-           [P.Mtr([],[P.Mtd ([],hd)]);
+          None,"columnalign","left"; Some "helm","xref",p.Con.proof_id],
+           [P.Mtr([Some "helm","xref","ace_"^p.Con.proof_id],[P.Mtd ([],hd)]);
             P.Mtr([],[P.Mtd ([], continuation)])])) ac continuation 
 
-  and acontext2pres_old ac indent =
-    let module P = Mpresentation in
-    List.map 
-      (function p -> 
-         if indent then
-           P.Mtr ([], [P.Mtd ([], P.indented (proof2pres p))])
-         else 
-           P.Mtr ([], 
-             [P.Mtd ([], proof2pres p)])) ac
-
-  and conclude2pres conclude indent =
+  and conclude2pres conclude indent omit_conclusion =
+    let module Con = Content in
     let module P = Mpresentation in
-    if indent then
-      P.indented (conclude_aux conclude)
+    let tconclude_body = 
+      match conclude.Con.conclude_conclusion with
+        Some t when not omit_conclusion ->
+          let concl = (term2pres t) in 
+          if conclude.Con.conclude_method = "BU_Conversion" then
+            make_concl "that is equivalent to" concl
+          else  
+            let conclude_body = conclude_aux conclude in
+            let ann_concl = 
+              if conclude.Con.conclude_method = "TD_Conversion" then
+                 make_concl "that is equivalent to" concl 
+              else make_concl "we conclude" concl in
+            P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
+              None,"columnalign","left"],
+                [P.Mtr ([],[P.Mtd ([],conclude_body)]);
+                 P.Mtr ([],[P.Mtd ([],ann_concl)])])
+      | _ -> conclude_aux conclude in
+    if indent then 
+      P.indented (P.Mrow ([Some "helm", "xref", conclude.Con.conclude_id],
+                    [tconclude_body]))
     else 
-      conclude_aux conclude
+      P.Mrow ([Some "helm", "xref", conclude.Con.conclude_id],[tconclude_body])
 
-  and conclude2pres_old conclude indent =
-    let module P = Mpresentation in
-    if indent then
-      P.Mtr ([], [P.Mtd ([], P.indented (conclude_aux conclude))])
-    else 
-      P.Mtr ([], 
-        [P.Mtd ([], conclude_aux conclude)])
 
   and conclude_aux conclude =
-    let module Con = Cic2content in
+    let module Con = Content in
     let module P = Mpresentation in
     if conclude.Con.conclude_method = "TD_Conversion" then
       let expected = 
@@ -343,23 +385,26 @@ and proof2pres term2pres p =
          P.Mtr([],[P.Mtd([],make_concl "or equivalently" synth)]);
          P.Mtr([],[P.Mtd([],proof2pres subproof)])])
     else if conclude.Con.conclude_method = "BU_Conversion" then
-      let conclusion = 
-      (match conclude.Con.conclude_conclusion with 
-         None -> P.Mtext([],"NO Conclusion!!!")
-       | Some c -> term2pres c) in
-      make_concl "that is equivalent to" conclusion
+      assert false
     else if conclude.Con.conclude_method = "Exact" then
-      let conclusion = 
-        (match conclude.Con.conclude_conclusion with 
-           None -> P.Mtext([],"NO Conclusion!!!")
-         | Some c -> term2pres c) in
       let arg = 
         (match conclude.Con.conclude_args with 
            [Con.Term t] -> term2pres t
          | _ -> assert false) in
-      make_row 
-        [arg;P.Mspace([None,"width","0.1cm"]);P.Mtext([],"proves")] conclusion
+      (match conclude.Con.conclude_conclusion with 
+         None ->
+          P.Mrow []
+           [P.Mtext [None, "mathcolor", "red"] "Consider" ; P.smallskip; arg]
+       | Some c -> let conclusion = term2pres c in
+          make_row 
+            [arg; P.Mspace([None,"width","0.1cm"]);P.Mtext([],"proves")]
+            conclusion
+       )
     else if conclude.Con.conclude_method = "Intros+LetTac" then
+      (match conclude.Con.conclude_args with
+         [Con.ArgProof p] -> proof2pres p
+       | _ -> assert false)
+(* OLD CODE 
       let conclusion = 
       (match conclude.Con.conclude_conclusion with 
          None -> P.Mtext([],"NO Conclusion!!!")
@@ -371,10 +416,15 @@ and proof2pres term2pres p =
               None,"columnalign","left"],
               [P.Mtr([],[P.Mtd([],proof2pres p)]);
                P.Mtr([],[P.Mtd([],
-                (make_concl "we proved *" conclusion))])]);
+                (make_concl "we proved 1" conclusion))])]);
        | _ -> assert false)
+*)
     else if (conclude.Con.conclude_method = "ByInduction") then
       byinduction conclude
+    else if (conclude.Con.conclude_method = "Exists") then
+      exists conclude
+    else if (conclude.Con.conclude_method = "AndInd") then
+      andind conclude
     else if (conclude.Con.conclude_method = "Rewrite") then
       let justif = 
         (match (List.nth conclude.Con.conclude_args 6) with
@@ -387,7 +437,17 @@ and proof2pres term2pres p =
       let term2 = 
         (match List.nth conclude.Con.conclude_args 5 with
            Con.Term t -> term2pres t
-         | _ -> assert false) in  
+         | _ -> assert false) in
+      P.Mtable ([None,"align","baseline 1";None,"equalrows","false";
+        None,"columnalign","left"], 
+         [P.Mtr ([],[P.Mtd ([],P.Mrow([],[
+          P.Mtext([None,"mathcolor","Red"],"rewrite");
+          P.Mspace([None,"width","0.1cm"]);term1;
+          P.Mspace([None,"width","0.1cm"]);
+          P.Mtext([None,"mathcolor","Red"],"with");
+          P.Mspace([None,"width","0.1cm"]);term2]))]);
+          P.Mtr ([],[P.Mtd ([],P.indented justif)])]);
+(* OLD CODE   
       let conclusion = 
         (match conclude.Con.conclude_conclusion with 
            None -> P.Mtext([],"NO Conclusion!!!")
@@ -401,10 +461,15 @@ and proof2pres term2pres p =
                P.Mtext([None,"mathcolor","Red"],"with");
                P.Mspace([None,"width","0.1cm"]);term2]))]);
               P.Mtr ([],[P.Mtd ([],P.indented justif)]);
-              P.Mtr ([],[P.Mtd ([],make_concl "we proved" conclusion)])])
+              P.Mtr ([],[P.Mtd ([],make_concl "we proved 2" conclusion)])]) *)
     else if conclude.Con.conclude_method = "Apply" then
       let pres_args = 
-        make_args_for_apply term2pres conclude.Con.conclude_args in 
+        make_args_for_apply term2pres conclude.Con.conclude_args in
+      P.Mrow([],
+        P.Mtext([None,"mathcolor","Red"],"by")::
+        P.Mspace([None,"width","0.1cm"])::
+        P.Mo([],"(")::pres_args@[P.Mo([],")")])
+(* OLD CODE 
       let by = 
          P.Mrow([],
            P.Mtext([None,"mathcolor","Red"],"by")::P.Mspace([None,"width","0.1cm"])::
@@ -413,12 +478,13 @@ and proof2pres term2pres p =
         None -> P.Mrow([],[P.Mtext([],"QUA");by])
       | Some t ->
          let concl = (term2pres t) in
-         let ann_concl = make_concl "we proved" concl in
+         let ann_concl = make_concl "we proved 3" concl in
          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
-            None,"columnalign","left"],
+            None,"columnalign","left"; 
+            Some "helm", "xref", conclude.Con.conclude_id],
              [P.Mtr ([],[P.Mtd ([],by)]);
-              P.Mtr ([],[P.Mtd ([],ann_concl)])])
-    else let body =
+              P.Mtr ([],[P.Mtd ([],ann_concl)])]) *)
+    else 
       P.Mtable 
         ([None,"align","baseline 1"; None,"equalrows","false"; None,"columnalign","left"],
          [P.Mtr ([],[P.Mtd ([],P.Mtext([],"Apply method" ^ conclude.Con.conclude_method ^ " to"))]);
@@ -428,16 +494,17 @@ and proof2pres term2pres p =
                (P.Mtable 
                  ([None,"align","baseline 1"; None,"equalrows","false";
                    None,"columnalign","left"],
-                  args2pres conclude.Con.conclude_args))))])]) in
+                  args2pres conclude.Con.conclude_args))))])]) 
+(* OLD CODE 
      match conclude.Con.conclude_conclusion with
        None -> body
      | Some t ->
          let concl = (term2pres t) in
-         let ann_concl = make_concl "we proved" concl in
+         let ann_concl = make_concl "we proved 4" concl in
          P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
             None,"columnalign","left"],
              [P.Mtr ([],[P.Mtd ([],body)]);
-              P.Mtr ([],[P.Mtd ([],ann_concl)])])
+              P.Mtr ([],[P.Mtd ([],ann_concl)])]) *)
 
   and args2pres l =
     let module P = Mpresentation in
@@ -446,12 +513,14 @@ and proof2pres term2pres p =
 
   and arg2pres =
     let module P = Mpresentation in
-    let module Con = Cic2content in
+    let module Con = Content in
     function
         Con.Aux n -> 
-          P.Mtext ([],"aux " ^ string_of_int n)
+          P.Mtext ([],"aux " ^ n)
       | Con.Premise prem -> 
           P.Mtext ([],"premise")
+      | Con.Lemma lemma ->
+          P.Mtext ([],"lemma")
       | Con.Term t -> 
           term2pres t
       | Con.ArgProof p ->
@@ -461,7 +530,7 @@ and proof2pres term2pres p =
  
    and byinduction conclude =
      let module P = Mpresentation in
-     let module Con = Cic2content in
+     let module Con = Content in
      let proof_conclusion = 
        (match conclude.Con.conclude_conclusion with
           None -> P.Mtext([],"No conclusion???")
@@ -469,7 +538,7 @@ and proof2pres term2pres p =
      let inductive_arg,args_for_cases = 
        (match conclude.Con.conclude_args with
            Con.Aux(n)::_::tl ->
-             let l1,l2 = split n tl in
+             let l1,l2 = split (int_of_string n) tl in
              let last_pos = (List.length l2)-1 in
              List.nth l2 last_pos,l1
          | _ -> assert false) in
@@ -482,6 +551,7 @@ and proof2pres term2pres p =
               (match prem.Con.premise_binder with
                  None -> P.Mtext ([],"the previous result")
                | Some n -> P.Mi([],n))
+           | Con.Lemma lemma -> P.Mi([],lemma.Con.lemma_name)
            | Con.Term t -> 
                term2pres t
            | Con.ArgProof p ->
@@ -491,15 +561,13 @@ and proof2pres term2pres p =
         (make_concl "we proceede by induction on" arg) in
      let to_prove =
         (make_concl "to prove" proof_conclusion) in
-     let we_proved = 
-        (make_concl "we proved" proof_conclusion) in
      P.Mtable 
-       ([None,"align","baseline 1"; None,"equalrows","false"; None,"columnalign","left"],
+       ([None,"align","baseline 1"; None,"equalrows","false"; 
+         None,"columnalign","left"],
           P.Mtr ([],[P.Mtd ([],induction_on)])::
           P.Mtr ([],[P.Mtd ([],to_prove)])::
-          (make_cases args_for_cases) @
-          [P.Mtr ([],[P.Mtd ([],we_proved)])]) 
-    
+          (make_cases args_for_cases))
+
     and make_cases args_for_cases =
     let module P = Mpresentation in
     List.map 
@@ -507,7 +575,7 @@ and proof2pres term2pres p =
 
     and make_case =  
       let module P = Mpresentation in
-      let module Con = Cic2content in
+      let module Con = Content in
       function 
         Con.ArgProof p ->
           let name =
@@ -517,15 +585,15 @@ and proof2pres term2pres p =
           let indhyps,args =
              List.partition 
                (function
-                   Con.Hypothesis h -> h.Con.dec_inductive
+                   `Hypothesis h -> h.Con.dec_inductive
                  | _ -> false) p.Con.proof_context in
           let pattern_aux =
              List.fold_right
                (fun e p -> 
                   let dec  = 
                     (match e with 
-                       Con.Declaration h 
-                     | Con.Hypothesis h -> 
+                       `Declaration h 
+                     | `Hypothesis h -> 
                          let name = 
                            (match h.Con.dec_name with
                               None -> "NO NAME???"
@@ -547,7 +615,7 @@ and proof2pres term2pres p =
              | Some t -> term2pres t) in
           let asubconcl =
              P.Mtr([],[P.Mtd([],
-              make_concl "the thesis becomes" subconcl)]) in
+              P.indented (make_concl "the thesis becomes" subconcl))]) in
           let induction_hypothesis = 
             (match indhyps with
               [] -> []
@@ -557,15 +625,15 @@ and proof2pres term2pres p =
                  (P.Mtext([],"by induction hypothesis we know:")))]) in
                let make_hyp =
                  function 
-                   Con.Hypothesis h ->
+                   `Hypothesis h ->
                      let name = 
                        (match h.Con.dec_name with
                           None -> "no name"
                         | Some s -> s) in
                      P.indented (P.Mrow ([],
-                       [P.Mtext([],"(");
+                       [P.Mo([],"(");
                         P.Mi ([],name);
-                        P.Mtext([],")");
+                        P.Mo([],")");
                         P.Mspace([None,"width","0.1cm"]);
                         term2pres h.Con.dec_type]))
                    | _ -> assert false in
@@ -576,23 +644,238 @@ and proof2pres term2pres p =
                text::hyps) in          
           (* let acontext = 
                acontext2pres_old p.Con.proof_apply_context true in *)
-          let body = conclude2pres p.Con.proof_conclude true in
+          let body = conclude2pres p.Con.proof_conclude true false in
           let presacontext = 
-            acontext2pres p.Con.proof_apply_context body true in
+            P.Maction([None,"actiontype","toggle" ; None,"selection","1"],
+              [P.indented (P.Mtext([None,"mathcolor","Red"],"Proof"));
+               acontext2pres p.Con.proof_apply_context body true]) in
           P.Mtable ([None,"align","baseline 1"; None,"equalrows","false";
              None,"columnalign","left"],
              pattern::asubconcl::induction_hypothesis@
               [P.Mtr([],[P.Mtd([],presacontext)])])
-      | _ -> assert false in
+       | _ -> assert false 
+
+     and andind conclude =
+       let module P = Mpresentation in
+       let module Con = Content in
+       let proof_conclusion = 
+         (match conclude.Con.conclude_conclusion with
+            None -> P.Mtext([],"No conclusion???")
+          | Some t -> term2pres t) in
+       let proof,case_arg = 
+         (match conclude.Con.conclude_args with
+             [Con.Aux(n);_;Con.ArgProof proof;case_arg] -> proof,case_arg
+           | _ -> assert false;
+             (* 
+             List.map (ContentPp.parg 0) conclude.Con.conclude_args;
+             assert false *)) in
+       let arg = 
+         (match case_arg with
+             Con.Aux n -> assert false
+           | Con.Premise prem ->
+              (match prem.Con.premise_binder with
+                 None -> []
+               | Some n -> [P.Mtext([],"by");P.smallskip;P.Mi([],n)])
+           | Con.Lemma lemma -> 
+               [P.Mtext([],"by");P.smallskip;P.Mi([],lemma.Con.lemma_name)]
+           | _ -> assert false) in
+       match proof.Con.proof_context with
+         `Hypothesis hyp1::`Hypothesis hyp2::tl ->
+            let get_name hyp =
+              (match hyp.Con.dec_name with
+                None -> "_"
+              | Some s -> s) in
+            let preshyp1 = 
+              P.Mrow ([],
+               [P.Mtext([],"(");
+                P.Mi([],get_name hyp1);
+                P.Mtext([],")");
+                P.smallskip;
+                term2pres hyp1.Con.dec_type]) in
+            let preshyp2 = 
+              P.Mrow ([],
+               [P.Mtext([],"(");
+                P.Mi([],get_name hyp2);
+                P.Mtext([],")");
+                P.smallskip;
+                term2pres hyp2.Con.dec_type]) in
+            (* let body = proof2pres {proof with Con.proof_context = tl} in *)
+            let body = conclude2pres proof.Con.proof_conclude false true in
+            let presacontext = 
+              acontext2pres proof.Con.proof_apply_context body false in
+            P.Mtable 
+              ([None,"align","baseline 1"; None,"equalrows","false"; 
+                None,"columnalign","left"],
+               [P.Mtr ([],[P.Mtd ([],
+                 P.Mrow([],arg@[P.smallskip;P.Mtext([],"we have")]))]);
+                P.Mtr ([],[P.Mtd ([],preshyp1)]);
+                P.Mtr ([],[P.Mtd ([],P.Mtext([],"and"))]);
+                P.Mtr ([],[P.Mtd ([],preshyp2)]);
+                P.Mtr ([],[P.Mtd ([],presacontext)])]);
+         | _ -> assert false
+
+     and exists conclude =
+       let module P = Mpresentation in
+       let module Con = Content in
+       let proof_conclusion = 
+         (match conclude.Con.conclude_conclusion with
+            None -> P.Mtext([],"No conclusion???")
+          | Some t -> term2pres t) in
+       let proof = 
+         (match conclude.Con.conclude_args with
+             [Con.Aux(n);_;Con.ArgProof proof;_] -> proof
+           | _ -> assert false;
+             (* 
+             List.map (ContentPp.parg 0) conclude.Con.conclude_args;
+             assert false *)) in
+       match proof.Con.proof_context with
+           `Declaration decl::`Hypothesis hyp::tl
+         | `Hypothesis decl::`Hypothesis hyp::tl ->
+           let get_name decl =
+             (match decl.Con.dec_name with
+                None -> "_"
+              | Some s -> s) in
+           let presdecl = 
+             P.Mrow ([],
+               [P.Mtext([None,"mathcolor","Red"],"let");
+                P.smallskip;
+                P.Mi([],get_name decl);
+                P.Mtext([],":"); term2pres decl.Con.dec_type]) in
+           let suchthat =
+             P.Mrow ([],
+               [P.Mtext([None,"mathcolor","Red"],"such that");
+                P.smallskip;
+                P.Mtext([],"(");
+                P.Mi([],get_name hyp);
+                P.Mtext([],")");
+                P.smallskip;
+                term2pres hyp.Con.dec_type]) in
+            (* let body = proof2pres {proof with Con.proof_context = tl} in *)
+            let body = conclude2pres proof.Con.proof_conclude false true in
+            let presacontext = 
+              acontext2pres proof.Con.proof_apply_context body false in
+            P.Mtable 
+              ([None,"align","baseline 1"; None,"equalrows","false"; 
+                None,"columnalign","left"],
+               [P.Mtr ([],[P.Mtd ([],presdecl)]);
+                P.Mtr ([],[P.Mtd ([],suchthat)]);
+                P.Mtr ([],[P.Mtd ([],presacontext)])]);
+         | _ -> assert false in
 
 proof2pres p
 ;;
 
-(*  
-let content2pres = 
-  proof2pres 
-    (function p -> Cexpr2pres.cexpr2pres_charcount (Content_expressions.acic2cexpr p))
-;; *)
-
+exception ToDo;;
 
+let content2pres term2pres (id,params,metasenv,obj) =
+ let module K = Content in
+ let module P = Mpresentation in
+  match obj with
+     `Def (K.Const,thesis,`Proof p) ->
+       P.Mtable
+        [None,"align","baseline 1";
+         None,"equalrows","false";
+         None,"columnalign","left";
+         None,"helm:xref","id"]
+        ([P.Mtr []
+           [P.Mtd []
+            (P.Mrow []
+             [P.Mtext []
+               ("UNFINISHED PROOF" ^ id ^"(" ^
+                 String.concat " ; " (List.map UriManager.string_of_uri params)^
+                ")")])] ;
+         P.Mtr []
+          [P.Mtd []
+            (P.Mrow []
+              [P.Mtext [] "THESIS:"])] ;
+         P.Mtr []
+          [P.Mtd []
+            (P.Mrow []
+              [P.Mphantom []
+                (P.Mtext [] "__") ;
+              term2pres thesis])]] @
+         (match metasenv with
+             None -> []
+           | Some metasenv' ->
+              [P.Mtr []
+                [P.Mtd []
+                  (* Conjectures are in their own table to make *)
+                  (* diffing the DOM trees easier.              *)
+                  (P.Mtable
+                    [None,"align","baseline 1";
+                     None,"equalrows","false";
+                     None,"columnalign","left"]
+                   ((P.Mtr []
+                      [P.Mtd []
+                       (P.Mrow []
+                         [P.Mtext [] "CONJECTURES:"])])::
+                    List.map
+                     (function
+                       (id,n,context,ty) ->
+                         P.Mtr []
+                          [P.Mtd []
+                           (P.Mrow [Some "helm", "xref", id]
+                             (List.map
+                               (function
+                                   (_,None) ->
+                                     P.Mrow []
+                                      [ P.Mi [] "_" ;
+                                        P.Mo [] ":?" ;
+                                        P.Mi [] "_"]
+                                 | (_,Some (`Declaration d))
+                                 | (_,Some (`Hypothesis d)) ->
+                                    let
+                                     { K.dec_name = dec_name ;
+                                       K.dec_type = ty } = d
+                                     in
+                                      P.Mrow []
+                                       [ P.Mi []
+                                          (match dec_name with
+                                              None -> "_"
+                                            | Some n -> n) ;
+                                         P.Mo [] ":" ;
+                                         term2pres ty]
+                                 | (_,Some (`Definition d)) ->
+                                    let
+                                     { K.def_name = def_name ;
+                                       K.def_term = bo } = d
+                                     in
+                                      P.Mrow []
+                                       [ P.Mi []
+                                          (match def_name with
+                                              None -> "_"
+                                            | Some n -> n) ;
+                                         P.Mo [] ":=" ;
+                                         term2pres bo]
+                                 | (_,Some (`Proof p)) ->
+                                    let proof_name = p.K.proof_name in
+                                     P.Mrow []
+                                      [ P.Mi []
+                                         (match proof_name with
+                                             None -> "_"
+                                           | Some n -> n) ;
+                                        P.Mo [] ":=" ;
+                                        proof2pres term2pres p]
+                               ) context @
+                             [ P.Mo [] "|-" ] @
+                             [ P.Mi [] (string_of_int n) ;
+                               P.Mo [] ":" ;
+                               term2pres ty ]
+                           ))
+                          ]
+                     ) metasenv'
+                  ))]]
+         )  @
+        [P.Mtr []
+          [P.Mtd []
+            (P.Mrow []
+              [proof2pres term2pres p])]])
+   | _ -> raise ToDo
+;;
 
+let content2pres ~ids_to_inner_sorts =
+ content2pres 
+  (function p -> 
+   (Cexpr2pres.cexpr2pres_charcount 
+    (Content_expressions.acic2cexpr ids_to_inner_sorts p)))
+;;