- degree assignment, static type assignment, iterated static type

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / grammar / cl_shift.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_shift.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_shift.ma
index 66e54a9095bdbd8578f82f61ee9b4b0435edfc48..5fdab714803901ce4288735f57e828a69aa5f225 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_shift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_shift.ma
@@ -39,7 +39,7 @@ lemma shift_inj: ∀L1,L2. ∀T1,T2:term. L1 @@ T1 = L2 @@ T2 → |L1| = |L2| 
 | #L1 #H1 #V1 #IH * normalize
   [ #T1 #T2 #_ <plus_n_Sm #H destruct
   | #L2 #I2 #V2 #T1 #T2 #H1 #H2
-    elim (IH … H1 ?) -IH -H1 /2 width=1/ -H2 #H1 #H2 destruct /2 width=1/
+    elim (IH … H1) -IH -H1 /2 width=1/ -H2 #H1 #H2 destruct /2 width=1/
   ]
 ]
 qed-.