From dfaeb475cc0bd4c8953502a33742e269eb1986dd Mon Sep 17 00:00:00 2001
From: Jeremy Avigad <avigad@cmu.edu>
Date: Sat, 18 Apr 2015 13:41:58 -0400
Subject: [PATCH] feat(library/init/reserved_notation.lean): add equiv relation
 symbol

---
 library/init/reserved_notation.lean | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/init/reserved_notation.lean b/library/init/reserved_notation.lean
index c511cb0e63..010ab1c9b6 100644
--- a/library/init/reserved_notation.lean
+++ b/library/init/reserved_notation.lean
@@ -46,6 +46,7 @@ reserve infix `=`:50
 reserve infix `≠`:50
 reserve infix `≈`:50
 reserve infix `∼`:50
+reserve infix `≡`:50
 
 reserve infixr `∘`:60                   -- input with \comp
 reserve postfix `⁻¹`:std.prec.max_plus  -- input with \sy or \-1 or \inv