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  text: 'The intersection of two sets $A$ and $B$, denoted $A \\cap B$, is the set of elements which are in both $A$ and $B$.\n\n![illustration of the output of an intersection](https://imgh.us/set_intersection_1.svg)\n\nFormally stated, where $C = A \\cap B$\n\n$$x \\in C \\leftrightarrow (x \\in A \\land x \\in B)$$\n\nThat is, [46m] $x$ is in the intersection $C$, then $x$ is in $A$ and $x$ is in $B$.\n\nFor example,\n\n - $\\{1,2\\} \\cap \\{2,3\\} = \\{2\\}$\n - $\\{1,2\\} \\cap \\{8,9\\} = \\{\\}$\n - $\\{0,2,4,6\\} \\cap \\{3,4,5,6\\} = \\{4,6\\}$',
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