X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fformal_topology%2Fo-basic_pairs.ma;h=1e01764a7ce1d9f970c8ce312bc562a9aa94ca22;hb=8b6b60b1fb72de9b4686896698665b87bd6be959;hp=02ef2143ae9bb585cfba79468d3c6241aeb267e5;hpb=c8718cc46ab9aaca047366dfefe72bc7c9402e5a;p=helm.git

diff --git a/matita/matita/lib/formal_topology/o-basic_pairs.ma b/matita/matita/lib/formal_topology/o-basic_pairs.ma
index 02ef2143a..1e01764a7 100644
--- a/matita/matita/lib/formal_topology/o-basic_pairs.ma
+++ b/matita/matita/lib/formal_topology/o-basic_pairs.ma
@@ -14,7 +14,7 @@
 
 include "formal_topology/o-algebra.ma".
 include "formal_topology/notation.ma".
-
+(*
 record Obasic_pair: Type[2] ≝ { 
    Oconcr: OA; Oform: OA; Orel: arrows2 ? Oconcr Oform
 }.
@@ -249,3 +249,4 @@ interpretation "Universal pre-image ⊩*" 'rest x = (fun12 ? ? (or_f_star ? ?) (
 notation "'Ext' \sub b" non associative with precedence 90 for @{'ext $b}.
 notation > "'Ext'⎽term 90 b" non associative with precedence 90 for @{'ext $b}.
 interpretation "Existential pre-image ⊩⎻" 'ext x = (fun12 ? ? (or_f_minus ? ?) (Orel x)).
+*)