(** * Coq codes *)
(** ** Dependencies *)
Require Export RegExp.Utility.
Require Export RegExp.Definitions.
Require Export RegExp.Boolean.
Require Export RegExp.Concat.
Unset Standard Proposition Elimination Names.
(** ** [Char] *)

Lemma Char_false : forall s c, s <> (String c ""%string) -> (Char c) ~!= s.