From bc7d4ca9c26d2bf07986653b37d2a2a1d4c3e439 Mon Sep 17 00:00:00 2001
From: Robbert Krebbers
Date: Wed, 1 Jun 2016 13:45:40 +0200
Subject: [PATCH] =?UTF-8?q?Notations=20for=20X=20=E2=8A=86=20Y=20=E2=8A=86?=
=?UTF-8?q?=20Z.?=
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---
theories/base.v | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/theories/base.v b/theories/base.v
index 2275270..bfcb09a 100644
--- a/theories/base.v
+++ b/theories/base.v
@@ -637,6 +637,11 @@ Notation "(⊄)" := (λ X Y, X ⊄ Y) (only parsing) : C_scope.
Notation "( X ⊄ )" := (λ Y, X ⊄ Y) (only parsing) : C_scope.
Notation "( ⊄ X )" := (λ Y, Y ⊄ X) (only parsing) : C_scope.
+Notation "X ⊆ Y ⊆ Z" := (X ⊆ Y ∧ Y ⊆ Z) (at level 70, Y at next level) : C_scope.
+Notation "X ⊆ Y ⊂ Z" := (X ⊆ Y ∧ Y ⊂ Z) (at level 70, Y at next level) : C_scope.
+Notation "X ⊂ Y ⊆ Z" := (X ⊂ Y ∧ Y ⊆ Z) (at level 70, Y at next level) : C_scope.
+Notation "X ⊂ Y ⊂ Z" := (X ⊂ Y ∧ Y ⊂ Z) (at level 70, Y at next level) : C_scope.
+
(** The class [Lexico A] is used for the lexicographic order on [A]. This order
is used to create finite maps, finite sets, etc, and is typically different from
the order [(⊆)]. *)
--
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