From c98c0af42f56d0859d6f3f5e3743945906c681c8 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Thu, 12 May 2016 01:23:28 +0200
Subject: Exponentiation: clarification of a mathematical expression
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Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 doc/arithmetic.tex | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'doc/arithmetic.tex')

diff --git a/doc/arithmetic.tex b/doc/arithmetic.tex
index efadf17..e90f607 100644
--- a/doc/arithmetic.tex
+++ b/doc/arithmetic.tex
@@ -191,7 +191,11 @@ can be expressed as a simple formula
 \]
 
 \noindent
-This is a natural extension to the observations
+This is a natural extension to the
+observations\footnote{The first of course being
+that any non-negative number can be expressed
+with the binary positional system. The latter
+should be fairly self-explanatory.}
 
 \vspace{-1em}
 \[ \hspace*{-0.4cm}
-- 
cgit v1.2.3-70-g09d2

