--- a/ChengsongTanPhdThesis/Chapters/Introduction.tex	Fri Sep 02 11:06:26 2022 +0100
+++ b/ChengsongTanPhdThesis/Chapters/Introduction.tex	Fri Sep 02 19:18:50 2022 +0100
@@ -34,6 +34,7 @@
 \newcommand{\ONE}{\mbox{\bf 1}}
 \newcommand{\AALTS}[2]{\oplus {\scriptstyle #1}\, #2}
 \newcommand{\rdistinct}[2]{\textit{rdistinct} \;\; #1 \;\; #2}
+\def\rdistincts{\textit{rdistinct}}
 \def\rDistinct{\textit{rdistinct}}
 \newcommand\hflat[1]{\llparenthesis  #1 \rrparenthesis_*}
 \newcommand\hflataux[1]{\llparenthesis #1 \rrparenthesis_*'}