aboutsummaryrefslogtreecommitdiffhomepage
path: root/test-suite/bugs/closed/2629.v
diff options
context:
space:
mode:
authorGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
committerGravatar xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7>2013-09-20 12:40:28 +0000
commite46ce40cee2c34f47acb55d2b24bd09f00987556 (patch)
tree696da31b3041d1b7c69244ab5a48f77b87ccf79b /test-suite/bugs/closed/2629.v
parent20bb249ed0e19cc0132519e3de06fafe2ba500c3 (diff)
Get rid of "shouldsucceed" subdirectory by moving tests to parent directory.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16797 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/bugs/closed/2629.v')
-rw-r--r--test-suite/bugs/closed/2629.v22
1 files changed, 22 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/2629.v b/test-suite/bugs/closed/2629.v
new file mode 100644
index 000000000..759cd3dd2
--- /dev/null
+++ b/test-suite/bugs/closed/2629.v
@@ -0,0 +1,22 @@
+Class Join (t: Type) : Type := mkJoin {join: t -> t -> t -> Prop}.
+
+Class sepalg (t: Type) {JOIN: Join t} : Type :=
+ SepAlg {
+ join_eq: forall {x y z z'}, join x y z -> join x y z' -> z = z';
+ join_assoc: forall {a b c d e}, join a b d -> join d c e ->
+ {f : t & join b c f /\ join a f e};
+ join_com: forall {a b c}, join a b c -> join b a c;
+ join_canc: forall {a1 a2 b c}, join a1 b c -> join a2 b c -> a1=a2;
+
+ unit_for : t -> t -> Prop := fun e a => join e a a;
+ join_ex_units: forall a, {e : t & unit_for e a}
+}.
+
+Definition joins {A} `{Join A} (a b : A) : Prop :=
+ exists c, join a b c.
+
+Lemma join_joins {A} `{sepalg A}: forall {a b c},
+ join a b c -> joins a b.
+Proof.
+ firstorder.
+Qed.