I am getting an "Undefined control sequence" error when I try to use the


command, even though that command is shown in many references as the way to insert a centered dot. What is the problem?

  • 1
    Please try \usepackage{amssymb}
    – citsahcots
    Aug 6, 2021 at 23:13

1 Answer 1


You might need amssymb:


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