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authorMaxime Dénès2017-11-24 15:14:44 +0100
committerMaxime Dénès2017-11-24 15:14:44 +0100
commita1a9f9d62dfe0e8dfb8c924a74e57c9f08b4f2d9 (patch)
tree509449063db80688ad270b347ae0558cb8ab03bc /test-suite/bugs/opened
parentf9b3414888aebd1186f53c46d737536670171ab6 (diff)
parentc5f9e3a03c1f089253622ec262adf931e6dc1ca2 (diff)
Merge PR #876: In omega or romega, recognizing Z and nat modulo conversion
Diffstat (limited to 'test-suite/bugs/opened')
-rw-r--r--test-suite/bugs/opened/4717.v19
1 files changed, 0 insertions, 19 deletions
diff --git a/test-suite/bugs/opened/4717.v b/test-suite/bugs/opened/4717.v
deleted file mode 100644
index 9ad4746723..0000000000
--- a/test-suite/bugs/opened/4717.v
+++ /dev/null
@@ -1,19 +0,0 @@
-(*See below. They sometimes work, and sometimes do not. Is this a bug?*)
-
-Require Import Omega Psatz.
-
-Definition foo := nat.
-
-Goal forall (n : foo), 0 = n - n.
-Proof. intros. omega. (* works *) Qed.
-
-Goal forall (x n : foo), x = x + n - n.
-Proof.
- intros.
- Fail omega. (* Omega can't solve this system *)
- Fail lia. (* Cannot find witness. *)
- unfold foo in *.
- omega. (* works *)
-Qed.
-
-(* Guillaume Melquiond: What matters is the equality. In the first case, it is @eq nat. In the second case, it is @eq foo. The same issue exists for ring and field. So it is not a bug, but it is worth fixing.*)