From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Fri, 4 May 2012 15:16:39 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: make_still_working~1773
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=1be73cca08e69479424dd235fb95b2168b2854be;p=helm.git

---

diff --git a/matita/matita/lib/basics/sets.ma b/matita/matita/lib/basics/sets.ma
index 7c791da41..cdc6ac9e8 100644
--- a/matita/matita/lib/basics/sets.ma
+++ b/matita/matita/lib/basics/sets.ma
@@ -38,6 +38,7 @@ interpretation "subset" 'subseteq a b = (subset ? a b).
 
 (* extensional equality *)
 definition eqP ≝ λA:Type[0].λP,Q:A → Prop.∀a:A.P a ↔ Q a.
+(* ≐ is typed as \doteq *)
 notation "A ≐ B" non associative with precedence 45 for @{'eqP $A $B}.
 interpretation "extensional equality" 'eqP a b = (eqP ? a b).