latex-setup

diff --git a/preamble-common.tex b/preamble-common.tex
@@ -12,7 +12,7 @@
 %                                      
 % Pablo (C) 2021
 
-\usepackage{amsmath, amssymb, amsthm, stmaryrd, mathrsfs, mathabx, dsfont}
+\usepackage{amsmath, amssymb, amsthm, stmaryrd, mathrsfs, gensymb, dsfont}
 \usepackage{mathtools, adjustbox}
 \usepackage[scr=esstix,cal=boondox]{mathalfa}
 \usepackage{enumitem, xfrac, xcolor, cancel, multicol, tabularx, relsize}
@@ -26,6 +26,9 @@
 \usepackage[normalem]{ulem}
 \usepackage{minted}
 
+% Set the color scheme used by minted
+\usemintedstyle{friendly}
+
 % Configure graphics
 \usetikzlibrary{calc, shadows.blur, shapes.geometric, patterns, arrows}
 \pgfplotsset{compat=1.16}
@@ -100,6 +103,10 @@
 % Set cardinal
 \newcommand{\card}[1]{\left|\nobreak#1\nobreak\right|}
 
+% Minus sign with a dot over it. Usefull for typsetting saturated subtraction
+\def\dotminus{\mathbin{\ooalign{\hss\raise1ex\hbox{.}\hss\cr
+  \mathsurround=0pt$-$}}}
+
 % Empty macro (it's usefull for typesetting Young diagrams)
 \newcommand{\void}{ }