1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
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15 include "basics/relations.ma".
17 (* GENERATED LIBRARY ********************************************************)
19 lemma insert_eq_1 (T1) (a1) (Q1,Q2:predicate T1):
20 (∀b1. Q1 b1 → a1 = b1 → Q2 b1) → Q1 a1 → Q2 a1.