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MathML Test : Union and Intersection

This is a test to check if symbols used for union and intersection can be displayed. Most of them have the attribute stretchy="true". Other symbols of this type can be found in the large operators section.

1. check if all symbols are displayed
2. check if, except for Cup and Cap, all the symbols are stretched.

• Cup : $x⋓y$ ; $\begin{array}{cc}⋓& \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• Cap : $x⋒y$ ; $\begin{array}{cc}⋒& \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• SquareUnion : $\bigsqcup$;$\begin{array}{cc}\bigsqcup & \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• Union :$\bigcup$; $\begin{array}{cc}\bigcup & \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• UnionPlus : $\uplus$ ; $\begin{array}{cc}\uplus & \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• Intersection : $\bigcap$; $\begin{array}{cc}\bigcap & \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$
• SquareIntersection : $\sqcap$ ;$\begin{array}{cc}\sqcap & \begin{array}{c}a\\ b\\ c\end{array}\\ \text{sometext}& x\end{array}$