X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_tl.ma;h=909430cd9648cab66cb9702f9fadd922aed5aa5f;hb=dc605ae41c39773f55381f241b1ed3db4acf5edd;hp=c0d15ce19a3de6239abb259f37a2b56b06a1da08;hpb=2ed8d2abcc3b0687141b627061b63350a0b200bd;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_tl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_tl.ma
index c0d15ce19..909430cd9 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_tl.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_tl.ma
@@ -12,32 +12,32 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "ground/notation/functions/droppred_1.ma".
+include "ground/notation/functions/downspoon_1.ma".
 include "ground/lib/stream_hdtl.ma".
 include "ground/relocation/gr_map.ma".
 
 (* TAIL FOR GENERIC RELOCATION MAPS *****************************************)
 
 (*** tl *)
-definition gr_tl (f): gr_map ≝ ⫰f.
+definition gr_tl (f): gr_map ≝ ⇣f.
 
 interpretation
   "tail (generic relocation maps)"
-  'DropPred f = (gr_tl f).
+  'DownSpoon f = (gr_tl f).
 
 (* Basic constructions ******************************************************)
 
 (*** tl_push_rew *)
-lemma gr_tl_push (f): f = ⫱⫯f.
+lemma gr_tl_push (f): f = ⫰⫯f.
 // qed.
 
 (*** tl_next_rew *)
-lemma gr_tl_next (f): f = ⫱↑f.
+lemma gr_tl_next (f): f = ⫰↑f.
 // qed.
 
 (* Basic eliminations *******************************************************)
 
 (*** pn_split gr_map_split *)
-lemma gr_map_split_tl (f): ∨∨ ⫯⫱f = f | ↑⫱f = f.
+lemma gr_map_split_tl (f): ∨∨ ⫯⫰f = f | ↑⫰f = f.
 * * /2 width=1 by or_introl, or_intror/
 qed-.