{"articles":{"union@set-theory":{"content":"<p>\\({x \\in{} A \\cup{} B}\\) if \\({x \\in{} A}\\) or \\({x \\in{} B}\\).</p>","names":[[["Union",""]," of"," ",["\\(A\\)","set"]," and"," ",["\\(B\\)","set"]]]}},"parameters":["@","@"],"style":"Notion"}