notational change of lift, drop, and gget

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / fquq_alt.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq_alt.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq_alt.ma
index 8e5fb500fa771701ae3e2cb4aa7a190bbe0b5e72..619bb0b4a7aa29be0b04595519f56bb820899023 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq_alt.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/fquq_alt.ma
@@ -30,7 +30,7 @@ lemma fquqa_refl: tri_reflexive … fquqa.
 // qed.
 
 lemma fquqa_drop: ∀G,L,K,T,U,e.
-                  â\87©[e] L â\89¡ K â\86\92 â\87§[0, e] T ≡ U → ⦃G, L, U⦄ ⊐⊐⸮ ⦃G, K, T⦄.
+                  â¬\87[e] L â\89¡ K â\86\92 â¬\86[0, e] T ≡ U → ⦃G, L, U⦄ ⊐⊐⸮ ⦃G, K, T⦄.
 #G #L #K #T #U #e #HLK #HTU elim (eq_or_gt e)
 /3 width=5 by fqu_drop_lt, or_introl/ #H destruct
 >(drop_inv_O2 … HLK) -L >(lift_inv_O2 … HTU) -T //