summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/projlib/PJLmath.sty
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/tex/latex/projlib/PJLmath.sty')
-rw-r--r--Master/texmf-dist/tex/latex/projlib/PJLmath.sty9
1 files changed, 8 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/latex/projlib/PJLmath.sty b/Master/texmf-dist/tex/latex/projlib/PJLmath.sty
index 430cbfacf5e..5ee5a36b98a 100644
--- a/Master/texmf-dist/tex/latex/projlib/PJLmath.sty
+++ b/Master/texmf-dist/tex/latex/projlib/PJLmath.sty
@@ -17,7 +17,7 @@
%%
\NeedsTeXFormat{LaTeX2e}[2020-10-01]
\ProvidesPackage{PJLmath}
- [2021/06/19 Useful math macros and shortcuts]
+ [2021/06/28 Useful math macros and shortcuts]
\RequirePackage{kvoptions}
\RequirePackage{etoolbox}
\RequirePackage{mathtools}
@@ -284,6 +284,13 @@
\def\scrZ{\ensuremath{\mathscr{Z}}}
%%================================
+%% General symbols
+%%================================
+\providecommand*{\injection}{\ensuremath{\hookrightarrow}}
+\providecommand*{\surjection}{\ensuremath{\twoheadrightarrow}}
+\providecommand*{\bijection}{\ensuremath{\xrightarrow{\sim}}}
+
+%%================================
%% Symbols for number theory
%%================================
\ifdefined\@@pmod\else