update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / cpms.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms.ma
index 2f7d1f449b826168cc3ec6c31f53048f22657732..d422aaf2221049b8fa841af761031b403f003408 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms.ma
@@ -144,7 +144,7 @@ lemma cprs_refl: ∀h,G,L. reflexive … (cpms h G L 0).
 lemma cpms_sort (h) (G) (L) (n):
                 ∀s. ⦃G,L⦄ ⊢ ⋆s ➡*[n,h] ⋆((next h)^n s).
 #h #G #L #n elim n -n [ // ]
-#n #IH #s <plus_SO
+#n #IH #s <plus_SO_dx
 /3 width=3 by cpms_step_dx, cpm_sort/
 qed.