I am having an issue with my latex document. When I use the lemma by using the below code it shows a small black rectangle at the end of every lemma.
CODE:
documentclass{IEEEtran}
usepackage{eucal}
usepackage{algorithm,algorithmic}
egin{document}
section{ Analysis}
This section discusses essential proofs of some of the properties explained in the earlier,\
ewtheorem{theorem}{extbf{Lemma}}
egin{theorem}
Lemma statement 1
end{theorem}
egin{IEEEproof}
The body of the lemma.The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma.The body of the lemma.The body of the lemma. The body of the lemma. The body of the lemma.The body of the lemma.The body of the lemma. The body of the lemma.
end{IEEEproof}
ewtheorem{theorem2}{extbf{Lemma}}
egin{theorem}
Lemma statement 2
end{theorem}
egin{IEEEproof}
The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma. The body of the lemma.
end{IEEEproof}
end{document}
The above code shows the below output,
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…