diff options
| -rw-r--r-- | tactics/tactics.ml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tactics/tactics.ml b/tactics/tactics.ml index 5c96c138ea..59befa7852 100644 --- a/tactics/tactics.ml +++ b/tactics/tactics.ml @@ -410,7 +410,8 @@ let find_name loc decl gl = function let id = fresh_id idl (default_id (pf_env gl) gl.sigma decl) gl in id | IntroBasedOn (id,idl) -> fresh_id idl id gl | IntroMustBe id -> - let id' = fresh_id [] id gl in + (* When name is given, we allow to hide a global name *) + let id' = next_ident_away id (pf_ids_of_hyps gl) in if id'<>id then user_err_loc (loc,"",pr_id id ++ str" is already used."); id' |