X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fnames.txt;h=6c34328b45b311504e6237a4d1eca10c58a6ee5e;hb=ba575c0609015580c1419c17b350de19a158e8e3;hp=1a4b33044293094b535d65db4f14daf80a7abf57;hpb=b074ebf6441993694c6e39e4eaeeb58a3186f479;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/names.txt b/matita/matita/contribs/lambda_delta/basic_2/names.txt
index 1a4b33044..6c34328b4 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/names.txt
+++ b/matita/matita/contribs/lambda_delta/basic_2/names.txt
@@ -9,14 +9,13 @@ IH     : reserved: inductive premise
 I,J    : item
 K,L    : local environment
 M,N    : reserved: future use
-O      : 
-P,Q    : reserved: future use (lambda_delta 4)
+O,P,Q  :
 R      : generic predicate (relation)
 S      : RTM stack
 T,U,V,W: term
 X,Y,Z  : reserved: transient objet denoted by a capital letter
 
-a,b    : reserved: future use (lambda_delta 4)
+a,b    : binder polarity
 c      : reserved: future use (lambda_delta 3)
 d      : relocation depth
 e      : relocation height