diff options
Diffstat (limited to 'theories/Numbers/NumPrelude.v')
| -rw-r--r-- | theories/Numbers/NumPrelude.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Numbers/NumPrelude.v b/theories/Numbers/NumPrelude.v index fdccf214..95d8b366 100644 --- a/theories/Numbers/NumPrelude.v +++ b/theories/Numbers/NumPrelude.v @@ -8,7 +8,7 @@ (* Evgeny Makarov, INRIA, 2007 *) (************************************************************************) -(*i $Id: NumPrelude.v 10943 2008-05-19 08:45:13Z letouzey $ i*) +(*i $Id: NumPrelude.v 11674 2008-12-12 19:48:40Z letouzey $ i*) Require Export Setoid. @@ -212,7 +212,7 @@ unfold reflexive, prod_rel. destruct x; split; [apply (proj1 EA_equiv) | apply (proj1 EB_equiv)]; simpl. Qed. -Lemma prod_rel_symm : symmetric (A * B) prod_rel. +Lemma prod_rel_sym : symmetric (A * B) prod_rel. Proof. unfold symmetric, prod_rel. destruct x; destruct y; @@ -229,7 +229,7 @@ Qed. Theorem prod_rel_equiv : equiv (A * B) prod_rel. Proof. -unfold equiv; split; [exact prod_rel_refl | split; [exact prod_rel_trans | exact prod_rel_symm]]. +unfold equiv; split; [exact prod_rel_refl | split; [exact prod_rel_trans | exact prod_rel_sym]]. Qed. End RelationOnProduct. |