- bug fix in destruct

[helm.git] / matita / contribs / RELATIONAL / NLE / props.ma

diff --git a/matita/contribs/RELATIONAL/NLE/props.ma b/matita/contribs/RELATIONAL/NLE/props.ma
index 3654b7d898bcb0c29f0136f50cd8f40245225db2..576a079ae3cb6ae70e44aa60b1fdad08f5222423 100644 (file)
--- a/matita/contribs/RELATIONAL/NLE/props.ma
+++ b/matita/contribs/RELATIONAL/NLE/props.ma
@@ -26,6 +26,6 @@ theorem nle_gt_or_le: \forall x, y. y > x \lor y <= x.
  | decompose;
    [ lapply linear nle_inv_succ_1 to H1
    | lapply linear nle_lt_or_eq to H1
-   ]; decompose; subst; autobatch depth = 4
+   ]; decompose; destruct; autobatch depth = 4
  ].
 qed.