Luis Pedro Coelho luispedro
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| \documentclass{article} | |
| \usepackage{tikz} | |
| \begin{document} | |
| \begin{tikzpicture} | |
| \node (theta) at (0,0) [circle, draw] {$\theta$}; | |
| \node (z) at (2,0) [circle, draw] {$z$}; | |
| \node (w) at (4,0) [circle, draw] {$w$}; | |
| \node (alpha) at (1,2) [circle, draw] {$\alpha$}; |