update in basic_2 and ground_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / cpr_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma
index 714ce2f458f4b5325faf3952d21e3dbbb8f28fde..30d274be3ae4504008353bc1a62a0f29b84fe8f9 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_drops.ma
@@ -21,8 +21,8 @@ include "basic_2/rt_transition/cpm_drops.ma".
 (* Basic_2A1: includes: cpr_inv_atom1 *)
 lemma cpr_inv_atom1_drops: ∀h,I,G,L,T2. ⦃G, L⦄ ⊢ ⓪{I} ➡[h] T2 →
                            ∨∨ T2 = ⓪{I}
-                            | â\88\83â\88\83K,V,V2,i. â¬\87*[i] L â\89¡ K.ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 &
-                                          â¬\86*[⫯i] V2 â\89¡ T2 & I = LRef i.
+                            | â\88\83â\88\83K,V,V2,i. â¬\87*[i] L â\89\98 K.ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 &
+                                          â¬\86*[⫯i] V2 â\89\98 T2 & I = LRef i.
 #h #I #G #L #T2 #H elim (cpm_inv_atom1_drops … H) -H *
 [ /2 width=1 by or_introl/
 | #s #_ #_ #H destruct
@@ -35,8 +35,8 @@ qed-.
 (* Basic_2A1: includes: cpr_inv_lref1 *)
 lemma cpr_inv_lref1_drops: ∀h,G,L,T2,i. ⦃G, L⦄ ⊢ #i ➡[h] T2 →
                            ∨∨ T2 = #i
-                            | â\88\83â\88\83K,V,V2. â¬\87*[i] L â\89¡ K. ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 &
-                                        â¬\86*[⫯i] V2 â\89¡ T2.
+                            | â\88\83â\88\83K,V,V2. â¬\87*[i] L â\89\98 K. ⓓV & ⦃G, K⦄ ⊢ V ➡[h] V2 &
+                                        â¬\86*[⫯i] V2 â\89\98 T2.
 #h #G #L #T2 #i #H elim (cpm_inv_lref1_drops … H) -H *
 [ /2 width=1 by or_introl/
 | /3 width=6 by ex3_3_intro, or_intror/