diff options
Diffstat (limited to 'plugins/setoid_ring/ArithRing.v')
| -rw-r--r-- | plugins/setoid_ring/ArithRing.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/plugins/setoid_ring/ArithRing.v b/plugins/setoid_ring/ArithRing.v index 6998b656..06822ae1 100644 --- a/plugins/setoid_ring/ArithRing.v +++ b/plugins/setoid_ring/ArithRing.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -21,12 +21,12 @@ Lemma natSRth : semi_ring_theory O (S O) plus mult (@eq nat). Lemma nat_morph_N : semi_morph 0 1 plus mult (eq (A:=nat)) - 0%N 1%N Nplus Nmult Neq_bool nat_of_N. + 0%N 1%N N.add N.mul N.eqb nat_of_N. Proof. constructor;trivial. exact nat_of_Nplus. exact nat_of_Nmult. - intros x y H;rewrite (Neq_bool_ok _ _ H);trivial. + intros x y H. apply N.eqb_eq in H. now subst. Qed. Ltac natcst t := |