diff options
Diffstat (limited to 'contrib/ring/LegacyRing_theory.v')
| -rw-r--r-- | contrib/ring/LegacyRing_theory.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/ring/LegacyRing_theory.v b/contrib/ring/LegacyRing_theory.v index 5df927a6..d15d18a6 100644 --- a/contrib/ring/LegacyRing_theory.v +++ b/contrib/ring/LegacyRing_theory.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: LegacyRing_theory.v 9179 2006-09-26 12:13:06Z barras $ *) +(* $Id: LegacyRing_theory.v 9370 2006-11-13 09:21:31Z herbelin $ *) Require Export Bool. @@ -153,7 +153,7 @@ Notation "- x" := (Aopp x). Record Ring_Theory : Prop := {Th_plus_comm : forall n m:A, n + m = m + n; Th_plus_assoc : forall n m p:A, n + (m + p) = n + m + p; - Th_mult_sym : forall n m:A, n * m = m * n; + Th_mult_comm : forall n m:A, n * m = m * n; Th_mult_assoc : forall n m p:A, n * (m * p) = n * m * p; Th_plus_zero_left : forall n:A, 0 + n = n; Th_mult_one_left : forall n:A, 1 * n = n; @@ -165,7 +165,7 @@ Variable T : Ring_Theory. Let plus_comm := Th_plus_comm T. Let plus_assoc := Th_plus_assoc T. -Let mult_comm := Th_mult_sym T. +Let mult_comm := Th_mult_comm T. Let mult_assoc := Th_mult_assoc T. Let plus_zero_left := Th_plus_zero_left T. Let mult_one_left := Th_mult_one_left T. |