From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 2 Mar 2012 16:13:19 +0000 (+0000)
Subject: macros \true and \false
X-Git-Tag: f0.2~177
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=cdc4fccc58272bf57af3e04679d0cc10aaa9b09b;p=topbloke-formulae.git

macros \true and \false
---

diff --git a/article.tex b/article.tex
index bd68fb1..a650f36 100644
--- a/article.tex
+++ b/article.tex
@@ -66,6 +66,9 @@
 \newcommand{\gathbegin}{\begin{gather} \tag*{}}
 \newcommand{\gathnext}{\\ \tag*{}}
 
+\newcommand{\true}{t}
+\newcommand{\false}{f}
+
 \begin{document}
 
 \section{Notation}
@@ -286,7 +289,7 @@ Ancestors of $C$:
 $ D \le C $.
 
 Contents of $C$:
-$ D \isin C \equiv \ldots \lor t \text{ so } D \haspatch C $.
+$ D \isin C \equiv \ldots \lor \true \text{ so } D \haspatch C $.
 
 \subsubsection{For $A \haspatch P, D \neq C$:}
 Ancestors: $ D \le C \equiv D \le A $.