1 \documentclass[11pt]{article}

     1 \documentclass[11pt]{article}

     2 

     3 

     3 \begin{document}

     4 \begin{document}

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     6 

     5 \noindent

     7 \noindent

     6 A lemma which might be true, but can also be false, is as follows:

     8 A lemma which might be true, but can also be false, is as follows:

     7 

     9 

     8 \begin{center}

    10 \begin{center}