notational change of lift, drop, and gget

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / unfold / unfold.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma b/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
index 30d6ba732613cf45d46d1bc7a108c922d358bfa6..8ecf927a485e07dea0dae19e1732c6d7ec904403 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
@@ -22,8 +22,8 @@ include "basic_2/substitution/drop.ma".
 (* activate genv *)
 inductive unfold: relation4 genv lenv term lenv ≝
 | unfold_sort: ∀G,L,k. unfold G L (⋆k) L
-| unfold_lref: â\88\80I,G,L1,L2,K1,K2,V,i. â\87©[i] L1 ≡ K1. ⓑ{I}V →
-               unfold G K1 V K2 â\86\92 â\87©[Ⓣ, |L2|, i] L2 ≡ K2 →
+| unfold_lref: â\88\80I,G,L1,L2,K1,K2,V,i. â¬\87[i] L1 ≡ K1. ⓑ{I}V →
+               unfold G K1 V K2 â\86\92 â¬\87[Ⓣ, |L2|, i] L2 ≡ K2 →
                unfold G L1 (#i) (L1@@L2)
 | unfold_bind: ∀a,I,G,L1,L2,V,T.
                unfold G (L1.ⓑ{I}V) T L2 → unfold G L1 (ⓑ{a,I}V.T) L2