From 593eda9fc01874c43d45f4245c9a97933c26ae8f Mon Sep 17 00:00:00 2001
From: Robin <robin@NovaProspect.(none)>
Date: Sun, 1 Aug 2010 21:46:41 +0100
Subject: [PATCH] FMMD hierarchy is a DAG Directed Acyclic Graph

---
 fmmdset/fmmdset.tex | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fmmdset/fmmdset.tex b/fmmdset/fmmdset.tex
index 002963a..e09d727 100644
--- a/fmmdset/fmmdset.tex
+++ b/fmmdset/fmmdset.tex
@@ -268,6 +268,8 @@ real time control systems often have a small number of major reportable faults (
 even though they may have accompanying diagnostic data.
 
 
+The hierarchy is of the form of a directed acyclic graph. It is permissible, for instance, to
+create a functional group from components at different levels of ifailure mode abstraction.
 
 \cite{sem}