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authorGravatar Stephane Glondu <steph@glondu.net>2013-05-08 18:01:07 +0200
committerGravatar Stephane Glondu <steph@glondu.net>2013-05-08 18:01:07 +0200
commit095eac936751bab72e3c6bbdfa3ede51f7198721 (patch)
tree44cf2859ba6b8486f056efaaf7ee6c2d855f2aae /test-suite/success/induct.v
parent4e6d6dab2ef2de6c1ad7972fc981e55a4fde7ae3 (diff)
parent0b14713e3efd7f8f1cc8a06555d0ec8fbe496130 (diff)
Merge branch 'experimental/master'
Diffstat (limited to 'test-suite/success/induct.v')
-rw-r--r--test-suite/success/induct.v25
1 files changed, 24 insertions, 1 deletions
diff --git a/test-suite/success/induct.v b/test-suite/success/induct.v
index 3c8d8ea9..cc8e8dd8 100644
--- a/test-suite/success/induct.v
+++ b/test-suite/success/induct.v
@@ -1,6 +1,6 @@
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
+(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
@@ -41,3 +41,26 @@ Proof.
auto.
auto.
Qed.
+
+(* Check selection of occurrences by pattern *)
+
+Goal forall x, S x = S (S x).
+intros.
+induction (S _) in |- * at -2.
+now_show (0=1).
+Undo 2.
+induction (S _) in |- * at 1 3.
+now_show (0=1).
+Undo 2.
+induction (S _) in |- * at 1.
+now_show (0=S (S x)).
+Undo 2.
+induction (S _) in |- * at 2.
+now_show (S x=0).
+Undo 2.
+induction (S _) in |- * at 3.
+now_show (S x=1).
+Undo 2.
+Fail induction (S _) in |- * at 4.
+Abort.
+