λδ-2B is released

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_csx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_csx.ma
index b0921440d36c723ed8c4d76c15db87d9e2ad519e..4a5330d1e7326a1d60f7077ba41a7b37bc1aeb91 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_csx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_csx.ma
@@ -12,26 +12,26 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/rt_transition/lpx_rdeq.ma".
+include "basic_2/rt_transition/lpx_reqx.ma".
 include "basic_2/rt_computation/csx_drops.ma".
 
 (* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
 
 (* Advanced properties ******************************************************)
 
-lemma csx_tdeq_trans (h) (G):
+lemma csx_teqx_trans (h) (G):
       ∀L,T1. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ →
       ∀T2. T1 ≛ T2 → ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄.
 #h #G #L #T1 #H @(csx_ind … H) -T1 #T #_ #IH #T2 #HT2
-@csx_intro #T1 #HT21 #HnT21 elim (tdeq_cpx_trans … HT2 … HT21) -HT21
-/4 width=5 by tdeq_repl/
+@csx_intro #T1 #HT21 #HnT21 elim (teqx_cpx_trans … HT2 … HT21) -HT21
+/4 width=5 by teqx_repl/
 qed-.
 
 lemma csx_cpx_trans (h) (G):
       ∀L,T1. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ →
       ∀T2. ⦃G,L⦄ ⊢ T1 ⬈[h] T2 → ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄.
 #h #G #L #T1 #H @(csx_ind … H) -T1 #T1 #HT1 #IHT1 #T2 #HLT12
-elim (tdeq_dec T1 T2) /3 width=4 by csx_tdeq_trans/
+elim (teqx_dec T1 T2) /3 width=4 by csx_teqx_trans/
 qed-.
 
 (* Basic_1: was just: sn3_cast *)
@@ -43,7 +43,7 @@ lemma csx_cast (h) (G):
 #T #HT #IHT @csx_intro
 #X #H1 #H2 elim (cpx_inv_cast1 … H1) -H1
 [ * #W0 #T0 #HLW0 #HLT0 #H destruct
-  elim (tdneq_inv_pair … H2) -H2
+  elim (tneqx_inv_pair … H2) -H2
   [ -W -T #H elim H -H //
   | -HW -IHT /3 width=3 by csx_cpx_trans/
   | -HW -HT -IHW /4 width=3 by csx_cpx_trans, cpx_pair_sn/
@@ -54,8 +54,8 @@ qed.
 
 (* Basic_1: was just: sn3_abbr *)
 (* Basic_2A1: was: csx_lref_bind *)
-lemma csx_lref_pair_drops (h) (G): 
-      â\88\80I,L,K,V,i. â¬\87*[i] L ≘ K.ⓑ{I}V →
+lemma csx_lref_pair_drops (h) (G):
+      â\88\80I,L,K,V,i. â\87©*[i] L ≘ K.ⓑ{I}V →
       ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄ → ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃#i⦄.
 #h #G #I #L #K #V #i #HLK #HV
 @csx_intro #X #H #Hi elim (cpx_inv_lref1_drops … H) -H
@@ -71,7 +71,7 @@ qed.
 (* Basic_1: was: sn3_gen_def *)
 (* Basic_2A1: was: csx_inv_lref_bind *)
 lemma csx_inv_lref_pair_drops (h) (G):
-      â\88\80I,L,K,V,i. â¬\87*[i] L ≘ K.ⓑ{I}V →
+      â\88\80I,L,K,V,i. â\87©*[i] L ≘ K.ⓑ{I}V →
       ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃#i⦄ → ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄.
 #h #G #I #L #K #V #i #HLK #Hi
 elim (lifts_total V (𝐔❴↑i❵))
@@ -80,9 +80,9 @@ qed-.
 
 lemma csx_inv_lref_drops (h) (G):
       ∀L,i. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃#i⦄ →
-      â\88¨â\88¨ â¬\87*[Ⓕ,𝐔❴i❵] L ≘ ⋆
-       | â\88\83â\88\83I,K. â¬\87*[i] L ≘ K.ⓤ{I}
-       | â\88\83â\88\83I,K,V. â¬\87*[i] L ≘ K.ⓑ{I}V & ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄.
+      â\88¨â\88¨ â\87©*[Ⓕ,𝐔❴i❵] L ≘ ⋆
+       | â\88\83â\88\83I,K. â\87©*[i] L ≘ K.ⓤ{I}
+       | â\88\83â\88\83I,K,V. â\87©*[i] L ≘ K.ⓑ{I}V & ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄.
 #h #G #L #i #H elim (drops_F_uni L i) /2 width=1 by or3_intro0/
 * * /4 width=9 by csx_inv_lref_pair_drops, ex2_3_intro, ex1_2_intro, or3_intro2, or3_intro1/
 qed-.