From 1651beafbe7198a320fe87a926bf23e2ab1b784a Mon Sep 17 00:00:00 2001
From: Josh Chen
Date: Fri, 6 Jul 2018 14:17:06 +0200
Subject: Remove extra attributes for elimination rules, unneeded for now.

---
 Sum.thy | 1 -
 1 file changed, 1 deletion(-)

(limited to 'Sum.thy')

diff --git a/Sum.thy b/Sum.thy
index 93fa791..fe38960 100644
--- a/Sum.thy
+++ b/Sum.thy
@@ -51,7 +51,6 @@ and
     \<rbrakk> \<Longrightarrow> indSum[A,B] C f (a,b) \<equiv> f a b"
 
 lemmas Sum_rules [intro] = Sum_form Sum_intro Sum_elim Sum_comp
-lemmas Sum_elims [dest] = Sum_elim  \<comment> \<open>Declaring positively-presented dependent elimination rule as [dest] instead of [elim] arguably makes more sense.\<close>
 lemmas Sum_form_conds [elim, wellform] = Sum_form_cond1 Sum_form_cond2
 lemmas Sum_comps [comp] = Sum_comp
 
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