Questionnaire-2024/natural_deduction_propositional_logic/0007.tex

\item \self
Translate the following reasoning into a sequent. If the sequent is valid, proof it using the rules of natural deduction.
If the sequent is not valid, provide a counter example.
  \begin{quote}
    If I press the button, the window opens. \\
    I pressed the button.\\
    Therefore, the window is open.\\
  \end{quote}