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Diffstat (limited to 'src/Util/ZUtil/Land.v')
| -rw-r--r-- | src/Util/ZUtil/Land.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Util/ZUtil/Land.v b/src/Util/ZUtil/Land.v index b3d3f3727..f46d541e9 100644 --- a/src/Util/ZUtil/Land.v +++ b/src/Util/ZUtil/Land.v @@ -5,7 +5,7 @@ Local Open Scope Z_scope. Module Z. Lemma land_same_r : forall a b, (a &' b) &' b = a &' b. Proof. - intros; apply Z.bits_inj'; intros. + intros a b; apply Z.bits_inj'; intros n H. rewrite !Z.land_spec. case_eq (Z.testbit b n); intros; rewrite ?Bool.andb_true_r, ?Bool.andb_false_r; reflexivity. |