+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||M|| *)
-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
-(* ||A|| http://helm.cs.unibo.it *)
-(* \ / *)
-(* \ / This file is distributed under the terms of the *)
-(* v GNU General Public License Version 2 *)
-(* *)
-(**************************************************************************)
-
-set "baseuri" "cic:/matita/generalize".
-include "legacy/coq.ma".
-
-alias num (instance 0) = "natural number".
-alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
-alias symbol "plus" (instance 0) = "Coq's natural plus".
-alias id "plus_comm" = "cic:/Coq/Arith/Plus/plus_comm.con".
-alias id "S" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/2)".
-
-(* This tests is for the case of a pattern that contains metavariables *)
-theorem t: \forall x. x + 4 = 4 + x.
- intro.
- generalize in match (S ?).
- intro; apply plus_comm.
-qed.
-
-(* This test used to fail because x was used in the wrong context *)
-(* Once this was fixed it still did not work since apply is not *)
-(* able to solve a goal that ends in a product. *)
-theorem test2: \forall x. 4 + x = x + 4.
- generalize in match 4.
- exact plus_comm.
-qed.