diff options
Diffstat (limited to 'theories/Numbers/NumPrelude.v')
| -rw-r--r-- | theories/Numbers/NumPrelude.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Numbers/NumPrelude.v b/theories/Numbers/NumPrelude.v index 904145d50..14ea812f3 100644 --- a/theories/Numbers/NumPrelude.v +++ b/theories/Numbers/NumPrelude.v @@ -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. |