parents

diff --git a/article.tex b/article.tex
index e8f44b514c2f188281bc8f0a4ad985d6c10377fc..b152332fb67833f3cf039d45805f09b90395f7fa 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -3,15 +3,23 @@
 \usepackage{stmaryrd}
 \usepackage{slashed}
 \usepackage{txfonts}
+\usepackage{accents}
 \begin{document}
+
+\renewcommand{\ge}{\geqslant}
+\renewcommand{\le}{\leqslant}
+
+\newcommand{\has}{\sqsupseteq}
+\newcommand{\isin}{\sqsubseteq}
+
 \newcommand{\nothaspatch}{{%
   \declareslashed{}{\sslash}{-0.04}{0}{\Sqsupset}\slashed{\Sqsupset}}}
-\newcommand{\notinpatch}{{%
+\newcommand{\notpatchisin}{{%
   \declareslashed{}{\sslash}{-0.04}{0}{\Sqsubset}\slashed{\Sqsubset}}}
 \newcommand{\haspatch}{\Sqsupset}
-\newcommand{\inpatch}{\Sqsubset}
+\newcommand{\patchisin}{\Sqsubset}
 
-\newcommand{\pa}[1]{\varmathbb #1}
+\newcommand{\pa}[1]{\mathbb #1}
 \newcommand{\pay}[1]{\pa{#1}^+}
 \newcommand{\pan}[1]{\pa{#1}^-}
 
@@ -19,16 +27,28 @@
 \newcommand{\py}{\pay{P}}
 \newcommand{\pn}{\pan{P}}
 
+%\newcommand{\hasparents}{\underaccent{1}{>}}
+%\newcommand{\hasparents}{{%
+%  \declareslashed{}{_{_1}}{0}{-0.8}{>}\slashed{>}}}
+\newcommand{\hasparents}{>_{\mkern-7.0mu _1}}
+\newcommand{\areparents}{<_{\mkern-14.0mu _1\mkern+5.0mu}}
+
 sponge
+$ C \hasparents X $
+$ C > X $
+$ X \areparents C $
+$ X < C $
+$ D \isin C $
 $ A \sqsubseteq B $
 $ A \not \sqsubseteq B $
 $ A \nsqsubseteq B $
+$ A \le B $
 $ A \Sqsubset B $
 $ A \Sqsupset B $
 $ A \haspatch B $
 $ A \nothaspatch B $
-$ A \inpatch B $
-$ A \notinpatch B $
+$ A \patchisin B $
+$ A \notpatchisin B $
 $ A \nothaspatch \pa{C} $
 $ A \nothaspatch \py $
 $ A \nothaspatch \p_C^+ $