update in static_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / static / rdeq_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma b/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
index 6246d21a2d954289a29a2336b66ce87fdfb3a305..15e7ca69ca90952a08807927fa991db543732f08 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
@@ -32,21 +32,21 @@ lemma rdeq_inv_lifts_dx: f_dropable_dx cdeq.
 /2 width=5 by rex_dropable_dx/ qed-.
 
 lemma rdeq_inv_lifts_bi: ∀L1,L2,U. L1 ≛[U] L2 → ∀b,f. 𝐔⦃f⦄ →
-                         â\88\80K1,K2. â¬\87*[b,f] L1 â\89\98 K1 â\86\92 â¬\87*[b,f] L2 ≘ K2 →
-                         â\88\80T. â¬\86*[f] T ≘ U → K1 ≛[T] K2.
+                         â\88\80K1,K2. â\87©*[b,f] L1 â\89\98 K1 â\86\92 â\87©*[b,f] L2 ≘ K2 →
+                         â\88\80T. â\87§*[f] T ≘ U → K1 ≛[T] K2.
 /2 width=10 by rex_inv_lifts_bi/ qed-.
 
-lemma rdeq_inv_lref_pair_sn: â\88\80L1,L2,i. L1 â\89\9b[#i] L2 â\86\92 â\88\80I,K1,V1. â¬\87*[i] L1 ≘ K1.ⓑ{I}V1 →
-                             â\88\83â\88\83K2,V2. â¬\87*[i] L2 ≘ K2.ⓑ{I}V2 & K1 ≛[V1] K2 & V1 ≛ V2.
+lemma rdeq_inv_lref_pair_sn: â\88\80L1,L2,i. L1 â\89\9b[#i] L2 â\86\92 â\88\80I,K1,V1. â\87©*[i] L1 ≘ K1.ⓑ{I}V1 →
+                             â\88\83â\88\83K2,V2. â\87©*[i] L2 ≘ K2.ⓑ{I}V2 & K1 ≛[V1] K2 & V1 ≛ V2.
 /2 width=3 by rex_inv_lref_pair_sn/ qed-.
 
-lemma rdeq_inv_lref_pair_dx: â\88\80L1,L2,i. L1 â\89\9b[#i] L2 â\86\92 â\88\80I,K2,V2. â¬\87*[i] L2 ≘ K2.ⓑ{I}V2 →
-                             â\88\83â\88\83K1,V1. â¬\87*[i] L1 ≘ K1.ⓑ{I}V1 & K1 ≛[V1] K2 & V1 ≛ V2.
+lemma rdeq_inv_lref_pair_dx: â\88\80L1,L2,i. L1 â\89\9b[#i] L2 â\86\92 â\88\80I,K2,V2. â\87©*[i] L2 ≘ K2.ⓑ{I}V2 →
+                             â\88\83â\88\83K1,V1. â\87©*[i] L1 ≘ K1.ⓑ{I}V1 & K1 ≛[V1] K2 & V1 ≛ V2.
 /2 width=3 by rex_inv_lref_pair_dx/ qed-.
 
 lemma rdeq_inv_lref_pair_bi (L1) (L2) (i):
                             L1 ≛[#i] L2 →
-                            â\88\80I1,K1,V1. â¬\87*[i] L1 ≘ K1.ⓑ{I1}V1 →
-                            â\88\80I2,K2,V2. â¬\87*[i] L2 ≘ K2.ⓑ{I2}V2 →
+                            â\88\80I1,K1,V1. â\87©*[i] L1 ≘ K1.ⓑ{I1}V1 →
+                            â\88\80I2,K2,V2. â\87©*[i] L2 ≘ K2.ⓑ{I2}V2 →
                             ∧∧ K1 ≛[V1] K2 & V1 ≛ V2 & I1 = I2.
 /2 width=6 by rex_inv_lref_pair_bi/ qed-.