latex-pictures

 % This picture represents the relationshipt between the real, complex and
 % surreal numbers
 % Copyright Pablo (C) 2021
 \begin{tikzpicture}
   % The reals
   \draw (0.75, 0) node{$\mathbb{R}$}
         (   0, 0) circle (1.5);
 
   % The complex numbers
   \draw (-1.5, 0) node[left]{$\mathbb{C}$}
         ( 1.5, 0) circle (1.5);
 
   % The surreal numbers
   \draw (3,0) node[right]{$\mathbf{No}$};
 \end{tikzpicture}