- bug fix in destruct

[helm.git] / matita / contribs / LOGIC / Insert / fun.ma

diff --git a/matita/contribs/LOGIC/Insert/fun.ma b/matita/contribs/LOGIC/Insert/fun.ma
index f0cc5e514e7951e1d9f0e1af4f17e2ed69511672..7c7aba28a8eaa4e0ca9c44ae1becf26b7343e662 100644 (file)
--- a/matita/contribs/LOGIC/Insert/fun.ma
+++ b/matita/contribs/LOGIC/Insert/fun.ma
@@ -27,8 +27,8 @@ qed.
 theorem insert_inj: \forall S1,i,P, Q. Insert S1 i P Q \to 
                     \forall S2. Insert S2 i P Q \to S1 = S2.
  intros 5; elim H; clear H i P Q;
- [ lapply linear insert_inv_zero to H1; subst; autobatch
- | lapply linear insert_inv_succ to H3; decompose; subst; autobatch
+ [ lapply linear insert_inv_zero to H1; destruct; autobatch
+ | lapply linear insert_inv_succ to H3; decompose; destruct; autobatch
  ].
 qed.
 *)