update in static_2

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs.ma
index e0048f7d7a5fcad57f4a6489cf460b7a5837a28e..4a0550473950942927529804cca47a6cd0385d86 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs.ma
@@ -90,7 +90,7 @@ lemma cpxs_pair_sn: ∀h,I,G,L,V1,V2. ⦃G,L⦄ ⊢ V1 ⬈*[h] V2 →
 qed.
 
 lemma cpxs_zeta (h) (G) (L) (V):
-                â\88\80T1,T. â¬\86*[1] T ≘ T1 →
+                â\88\80T1,T. â\87§*[1] T ≘ T1 →
                 ∀T2. ⦃G,L⦄ ⊢ T ⬈*[h] T2 → ⦃G,L⦄ ⊢ +ⓓV.T1 ⬈*[h] T2.
 #h #G #L #V #T1 #T #HT1 #T2 #H @(cpxs_ind … H) -T2
 /3 width=3 by cpxs_strap1, cpx_cpxs, cpx_zeta/
@@ -98,7 +98,7 @@ qed.
 
 (* Basic_2A1: was: cpxs_zeta *)
 lemma cpxs_zeta_dx (h) (G) (L) (V):
-                   â\88\80T2,T. â¬\86*[1] T2 ≘ T →
+                   â\88\80T2,T. â\87§*[1] T2 ≘ T →
                    ∀T1. ⦃G,L.ⓓV⦄ ⊢ T1 ⬈*[h] T → ⦃G,L⦄ ⊢ +ⓓV.T1 ⬈*[h] T2.
 #h #G #L #V #T2 #T #HT2 #T1 #H @(cpxs_ind_dx … H) -T1
 /3 width=3 by cpxs_strap2, cpx_cpxs, cpx_bind, cpx_zeta/
@@ -125,7 +125,7 @@ lemma cpxs_beta_dx: ∀h,p,G,L,V1,V2,W1,W2,T1,T2.
 qed.
 
 lemma cpxs_theta_dx: ∀h,p,G,L,V1,V,V2,W1,W2,T1,T2.
-                     â¦\83G,Lâ¦\84 â\8a¢ V1 â¬\88[h] V â\86\92 â¬\86*[1] V ≘ V2 → ⦃G,L.ⓓW1⦄ ⊢ T1 ⬈*[h] T2 →
+                     â¦\83G,Lâ¦\84 â\8a¢ V1 â¬\88[h] V â\86\92 â\87§*[1] V ≘ V2 → ⦃G,L.ⓓW1⦄ ⊢ T1 ⬈*[h] T2 →
                      ⦃G,L⦄ ⊢ W1 ⬈[h] W2 → ⦃G,L⦄ ⊢ ⓐV1.ⓓ{p}W1.T1 ⬈*[h] ⓓ{p}W2.ⓐV2.T2.
 #h #p #G #L #V1 #V #V2 #W1 #W2 #T1 #T2 #HV1 #HV2 * -T2 
 /4 width=9 by cpx_cpxs, cpxs_strap1, cpxs_bind_dx, cpxs_flat_dx, cpx_theta/