Declarative tactics for rewriting steps, elimination of the existential

[helm.git] / components / grafite / grafiteAstPp.ml

diff --git a/components/grafite/grafiteAstPp.ml b/components/grafite/grafiteAstPp.ml
index 8f037f0320bac38bffa4502f8070a72253930552..7d12c212947c4cc93702e8904962c8c88575989c 100644 (file)
--- a/components/grafite/grafiteAstPp.ml
+++ b/components/grafite/grafiteAstPp.ml
@@ -163,10 +163,10 @@ let rec pp_tactic ~term_pp ~lazy_term_pp =
   | We_need_to_prove (_, term, ident, term1) -> "we need to prove" ^ term_pp term ^ "(" ^ ident ^ ")" ^ (match term1 with None -> " " | Some term1 -> term_pp term1)
   | We_proceed_by_induction_on (_, term, term1) -> "we proceed by induction on" ^ term_pp term ^ "to prove" ^ term_pp term1
   | Byinduction (_, term, ident) -> "by induction hypothesis we know" ^ term_pp term ^ "(" ^ ident ^ ")"
-  | Thesisbecomes (_, term) -> "the thesis becomes" ^ term_pp term
-  | Let1 (_, ident, term, term1) -> "let" ^ ident ^ ":" ^ term_pp term ^ "such that" ^ term_pp term1
-  | Bywehave (_, term, term1, ident, term2, ident1) -> "by" ^ (match term with None -> "_" | Some term -> term_pp term) ^ "we have" ^ term_pp term1 ^ "(" ^ ident ^ ")" ^ "and" ^       term_pp term2 ^ "(" ^ ident1 ^ ")" 
-  | RewritingStep (_, term, term1, term2 ) -> (match term with None -> " " | Some term -> "obtain " ^ term_pp term) ^ "=" ^ term_pp term1 ^ (match term2 with None -> "_" | Some term2 -> term_pp term2    )
+  | Thesisbecomes (_, term) -> "the thesis becomes " ^ term_pp term
+  | ExistsElim (_, term0, ident, term, ident1, term1) -> "by " ^ term_pp term0 ^ "let " ^ ident ^ ":" ^ term_pp term ^ "such that " ^ term_pp term1 ^ "(" ^ ident1 ^ ")"
+  | AndElim (_, term, ident1, term1, ident2, term2) -> "by " ^ term_pp term ^ "we have " ^ term_pp term1 ^ " (" ^ ident1 ^ ") " ^ "and " ^ term_pp term2 ^ " (" ^ ident2 ^ ")" 
+  | RewritingStep (_, term, term1, term2, cont) -> (match term with None -> " " | Some term -> "obtain " ^ term_pp term) ^ "=" ^ term_pp term1 ^ (match term2 with None -> "_" | Some term2 -> term_pp term2) ^ (match cont with None -> " done" | Some Cic.Anonymous -> "" | Some (Cic.Name id) -> " we proved " ^ id)
   | Case (_, id, args) ->
      "case" ^ id ^
        String.concat " "