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ABAtanasov · Oct 30, 2018 · ad0adea · ad0adea
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diff --git a/.gitignore b/.gitignore
@@ -12,6 +12,7 @@
 *.ilg
 *.tdo
 *.un~
+*.DS_Store
 *.blend#
 Thumbs.db
 Chapters/*.pdf
diff --git a/Chapters/C1.tex b/Chapters/C1.tex
@@ -847,6 +847,7 @@ \section{The Cartesian Coordinate System} % (fold)
 
 	By doing exercises, this method is very quick and steady to get the hang of. We will adopt it for the rest of the book.
 
+	\todoex{EXERCISE: Show elementwise multiplication of vectors in one basis is a rank (1, 2) tensor in another basis}
 
 	\section{Exercises} % (fold)
 	\label{sec:exercises1}

diff --git a/References Used/Legendre Intuition.pdf b/References Used/Legendre Intuition.pdf
diff --git a/References Used/Penrose Diagrams and Symmetric Algebra.pdf b/References Used/Penrose Diagrams and Symmetric Algebra.pdf