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authorGravatar Stephane Glondu <steph@glondu.net>2010-07-21 09:46:51 +0200
committerGravatar Stephane Glondu <steph@glondu.net>2010-07-21 09:46:51 +0200
commit5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 (patch)
tree631ad791a7685edafeb1fb2e8faeedc8379318ae /theories/Bool/Sumbool.v
parentda178a880e3ace820b41d38b191d3785b82991f5 (diff)
Imported Upstream snapshot 8.3~beta0+13298
Diffstat (limited to 'theories/Bool/Sumbool.v')
-rw-r--r--theories/Bool/Sumbool.v10
1 files changed, 5 insertions, 5 deletions
diff --git a/theories/Bool/Sumbool.v b/theories/Bool/Sumbool.v
index 0da72f56..06ab77cf 100644
--- a/theories/Bool/Sumbool.v
+++ b/theories/Bool/Sumbool.v
@@ -6,7 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(*i $Id: Sumbool.v 9245 2006-10-17 12:53:34Z notin $ i*)
+(*i $Id$ i*)
(** Here are collected some results about the type sumbool (see INIT/Specif.v)
[sumbool A B], which is written [{A}+{B}], is the informative
@@ -39,18 +39,18 @@ Defined.
Section connectives.
Variables A B C D : Prop.
-
+
Hypothesis H1 : {A} + {B}.
Hypothesis H2 : {C} + {D}.
-
+
Definition sumbool_and : {A /\ C} + {B \/ D}.
case H1; case H2; auto.
Defined.
-
+
Definition sumbool_or : {A \/ C} + {B /\ D}.
case H1; case H2; auto.
Defined.
-
+
Definition sumbool_not : {B} + {A}.
case H1; auto.
Defined.