From bf816f05ddbe0ded4948dd33490619724dc4f7cf Mon Sep 17 00:00:00 2001
From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Tue, 1 Jan 2019 14:30:18 +0100
Subject: [PATCH] the decentralization of core notation continues ...

subseteq notation decentralized
---
 matita/matita/lib/basics/core_notation.ma         |  3 ---
 .../matita/lib/basics/core_notation/subseteq_2.ma | 15 +++++++++++++++
 matita/matita/lib/basics/relations.ma             |  1 +
 matita/matita/lib/basics/sets.ma                  |  1 +
 4 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 matita/matita/lib/basics/core_notation/subseteq_2.ma

diff --git a/matita/matita/lib/basics/core_notation.ma b/matita/matita/lib/basics/core_notation.ma
index a0ad502b9..3bf1de3b2 100644
--- a/matita/matita/lib/basics/core_notation.ma
+++ b/matita/matita/lib/basics/core_notation.ma
@@ -272,9 +272,6 @@ for @{ 'notmem $a $b }.
 notation "hvbox(a break ≬ b)" non associative with precedence 45
 for @{ 'overlaps $a $b }. (* \between *)
 
-notation "hvbox(a break ⊆ b)" non associative with precedence 45
-for @{ 'subseteq $a $b }. (* \subseteq *)
-
 notation "hvbox(a break ∩ b)" left associative with precedence 60
 for @{ 'intersects $a $b }. (* \cap *)
 
diff --git a/matita/matita/lib/basics/core_notation/subseteq_2.ma b/matita/matita/lib/basics/core_notation/subseteq_2.ma
new file mode 100644
index 000000000..bbfe6f527
--- /dev/null
+++ b/matita/matita/lib/basics/core_notation/subseteq_2.ma
@@ -0,0 +1,15 @@
+(*
+    ||M||  This file is part of HELM, an Hypertextual, Electronic        
+    ||A||  Library of Mathematics, developed at the Computer Science     
+    ||T||  Department of the University of Bologna, Italy.                     
+    ||I||                                                                 
+    ||T||  
+    ||A||  This file is distributed under the terms of the 
+    \   /  GNU General Public License Version 2        
+     \ /      
+      V_______________________________________________________________ *)
+
+(* Core notation *******************************************************)
+
+notation "hvbox(a break ⊆ b)" non associative with precedence 45
+for @{ 'subseteq $a $b }. (* \subseteq *)
diff --git a/matita/matita/lib/basics/relations.ma b/matita/matita/lib/basics/relations.ma
index 24b2c9a9e..3133682db 100644
--- a/matita/matita/lib/basics/relations.ma
+++ b/matita/matita/lib/basics/relations.ma
@@ -11,6 +11,7 @@
 
 include "basics/logic.ma".
 include "basics/core_notation/compose_2.ma".
+include "basics/core_notation/subseteq_2.ma".
 
 (********** predicates *********)
 
diff --git a/matita/matita/lib/basics/sets.ma b/matita/matita/lib/basics/sets.ma
index 2f570c18f..8e40b666b 100644
--- a/matita/matita/lib/basics/sets.ma
+++ b/matita/matita/lib/basics/sets.ma
@@ -11,6 +11,7 @@
 
 include "basics/logic.ma".
 include "basics/core_notation/singl_1.ma".
+include "basics/core_notation/subseteq_2.ma".
 
 (**** a subset of A is just an object of type A→Prop ****)
 
-- 
2.39.2