From cfbf6967182e68d4f8f93e4f0d64f1c1d036720a Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Sat, 25 Apr 2020 18:36:07 +0200
Subject: Doc: extend example for induction a bit

This makes it show the shape of the induction hypothesis in the second
goal instead of just saying "subgoal 2 is S n <= S n".
---
 doc/sphinx/proof-engine/tactics.rst | 1 +
 1 file changed, 1 insertion(+)

(limited to 'doc')

diff --git a/doc/sphinx/proof-engine/tactics.rst b/doc/sphinx/proof-engine/tactics.rst
index 7da453b7af..8df9b54725 100644
--- a/doc/sphinx/proof-engine/tactics.rst
+++ b/doc/sphinx/proof-engine/tactics.rst
@@ -1875,6 +1875,7 @@ analysis on inductive or co-inductive objects (see :ref:`inductive-definitions`)
       Lemma induction_test : forall n:nat, n = n -> n <= n.
       intros n H.
       induction n.
+      exact (le_n 0).
 
 .. exn:: Not an inductive product.
    :undocumented:
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