X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flfpr_drops.ma;h=c0ceb1ef655f6592de733262c297bbc89fc7a151;hb=cce6d001d2c71a0a7f4b6d4bb136d105224b2cd1;hp=7d23f3b0f8cf5e829d601db46e2c8012da168b1a;hpb=6555775aa5268dec0d9ae4579412b659cacdc964;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_drops.ma
index 7d23f3b0f..c0ceb1ef6 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_drops.ma
@@ -20,21 +20,24 @@ include "basic_2/rt_transition/lfpr.ma".
 
 (* Properties with generic slicing for local environments *******************)
 
-lemma drops_lfpr_trans: ∀h,G. dedropable_sn (cpm 0 h G).
+(* Basic_2A1: uses: drop_lpr_trans *)
+lemma drops_lfpr_trans: ∀h,G. dedropable_sn (λL. cpm h G L 0).
 /3 width=6 by lfxs_liftable_dedropable_sn, cpm_lifts_sn/ qed-.
 
 (* Inversion lemmas with generic slicing for local environments *************)
 
-lemma lfpr_drops_conf: ∀h,G. dropable_sn (cpm 0 h G).
+(* Basic_2A1: uses: lpr_drop_conf *)
+lemma lfpr_drops_conf: ∀h,G. dropable_sn (λL. cpm h G L 0).
 /2 width=5 by lfxs_dropable_sn/ qed-.
 
-lemma lfpr_drops_trans: ∀h,G. dropable_dx (cpm 0 h G).
+(* Basic_2A1: uses: lpr_drop_trans_O1 *)
+lemma lfpr_drops_trans: ∀h,G. dropable_dx (λL. cpm h G L 0).
 /2 width=5 by lfxs_dropable_dx/ qed-.
 
-lemma lfpr_inv_lref_sn: ∀h,G,L1,L2,i. ⦃G, L1⦄ ⊢ ➡[h, #i] L2 → ∀I,K1,V1. ⬇*[i] L1 ≡ K1.ⓑ{I}V1 →
-                        ∃∃K2,V2. ⬇*[i] L2 ≡ K2.ⓑ{I}V2 & ⦃G, K1⦄ ⊢ ➡[h, V1] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2.
-/2 width=3 by lfxs_inv_lref_sn/ qed-.
+lemma lfpr_inv_lref_pair_sn: ∀h,G,L1,L2,i. ⦃G, L1⦄ ⊢ ➡[h, #i] L2 → ∀I,K1,V1. ⬇*[i] L1 ≘ K1.ⓑ{I}V1 →
+                             ∃∃K2,V2. ⬇*[i] L2 ≘ K2.ⓑ{I}V2 & ⦃G, K1⦄ ⊢ ➡[h, V1] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2.
+/2 width=3 by lfxs_inv_lref_pair_sn/ qed-.
 
-lemma lfpr_inv_lref_dx: ∀h,G,L1,L2,i. ⦃G, L1⦄ ⊢ ➡[h, #i] L2 → ∀I,K2,V2. ⬇*[i] L2 ≡ K2.ⓑ{I}V2 →
-                        ∃∃K1,V1. ⬇*[i] L1 ≡ K1.ⓑ{I}V1 & ⦃G, K1⦄ ⊢ ➡[h, V1] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2.
-/2 width=3 by lfxs_inv_lref_dx/ qed-.
+lemma lfpr_inv_lref_pair_dx: ∀h,G,L1,L2,i. ⦃G, L1⦄ ⊢ ➡[h, #i] L2 → ∀I,K2,V2. ⬇*[i] L2 ≘ K2.ⓑ{I}V2 →
+                             ∃∃K1,V1. ⬇*[i] L1 ≘ K1.ⓑ{I}V1 & ⦃G, K1⦄ ⊢ ➡[h, V1] K2 & ⦃G, K1⦄ ⊢ V1 ➡[h] V2.
+/2 width=3 by lfxs_inv_lref_pair_dx/ qed-.