[Analysis] Diff. Calc.

semester3/analysis-ii/cheat-sheet-rb/util/helpers.tex

@@ -52,6 +52,7 @@
 \def \notation{\colorbox{lightgray}{Notation} }
 \def \remark{\colorbox{lightgray}{Remark} }
 \def \theorem{\colorbox{lightgray}{Th.} }
+\def \lemma{\colorbox{lightgray}{Lem.} }
 \def \method{\colorbox{lightgray}{Method} }
 
 % For intuiton and less important notes