update in delayed_updating

+ notation for reversed path

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/notation/functions/nec_r_1.ma b/matita/matita/contribs/lambdadelta/delayed_updating/notation/functions/nec_r_1.ma
new file mode 100644 (file)
index 0000000..ec39b28
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/notation/functions/nec_r_1.ma
@@ -0,0 +1,19 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* NOTATION FOR DELAYED UPDATING ********************************************)
+
+notation "hvbox( p ᴿ )"
+  non associative with precedence 70
+  for @{ 'NEcR $p }.

diff --git a/matita/matita/predefined_virtuals.ml b/matita/matita/predefined_virtuals.ml
index 92cb18cfac13d75ee81c0660b959b9ac473f1786..1ee9d29e0bca9a91027ff72e28aeed392fcd9bf5 100644 (file)
--- a/matita/matita/predefined_virtuals.ml
+++ b/matita/matita/predefined_virtuals.ml
@@ -1570,7 +1570,7 @@ let predefined_classes = [
  ["q"; "𝕢"; "𝐪"; "ⓠ"; ] ;
  ["Q"; "ℚ"; "𝐐"; "Ⓠ"; ] ;
  ["r"; "ρ"; "ϱ"; "𝕣"; "𝐫"; "𝛒"; "𝛠"; "ⓡ"; ] ;
- ["R"; "ℛ"; "ℜ"; "ℝ"; "𝐑"; "Ⓡ"; ] ;
+ ["R"; "ℛ"; "ℜ"; "ℝ"; "𝐑"; "Ⓡ"; "ᴿ"; ] ;
  ["s"; "σ"; "ς"; "𝕤"; "𝐬"; "𝛔"; "ⓢ"; ] ;
  ["S"; "Σ"; "𝕊"; "𝐒"; "𝚺"; "Ⓢ"; "𝗦"; ] ;
  ["t"; "τ"; "𝕥"; "𝐭"; "𝛕"; "ⓣ"; ] ;