From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 19 Jan 2017 14:54:01 +0000 (-0500)
Subject: Add \directsumthree to mjo-common.
X-Git-Tag: phd-dissertation-submitted~5
X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=a8d9b8e1e4f5c79b50cc57121dc974fc222e47a8;p=mjotex.git

Add \directsumthree to mjo-common.
---

diff --git a/mjo-common.tex b/mjo-common.tex
index 5c0162a..fe4ee52 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -38,6 +38,9 @@
 % The direct sum of two things.
 \providecommand*{\directsum}[2]{ {#1}\oplus{#2} }
 
+% The direct sum of three things.
+\providecommand*{\directsumthree}[3]{ \directsum{#1}{\directsum{#2}{#3}} }
+
 % The factorial operator.
 \providecommand*{\factorial}[1]{ {#1}! }