op-dict-3.html (267B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <title>op-dict symmetric</title> 5 <link rel="mismatch" href="op-dict-3-notref.html"> 6 </head> 7 <body> 8 <math> 9 <mrow> 10 <mo symmetric="false">(</mo> 11 <mspace height="5em" depth="5em"/> 12 </mrow> 13 </math> 14 </body> 15 </html>