contents/algebra.tex : added normal subgroup, quotient definitions and theorems

2025-02-27 17:53:47 +01:00
parent 41e80ec73d
commit d817ce9980
2 changed files with 262 additions and 3 deletions
--- a/packages/macros.sty
+++ b/packages/macros.sty
@ -54,6 +54,7 @@
 \newenvironment{corollary_sq}{\begin{mdframed}\begin{corollary}}{\end{corollary}\end{mdframed}}
 \DeclarePairedDelimiter{\generator}{\langle}{\rangle}
 \DeclareMathOperator{\subgroup}{\leqslant}
+\DeclareMathOperator{\normalSubgroup}{\triangleleft}
 \newcommand{\rank}[1]{\text{rg}(#1)}
 \DeclarePairedDelimiter{\norm}{\lVert}{\rVert}
 \DeclarePairedDelimiter{\Norm}{\lVert}{\rVert}