\neg \neg A

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augustin64 2024-05-16 11:33:48 +02:00
parent 012a0ba06a
commit fcfdbdc068

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@ -49,7 +49,7 @@
Prouvable
$$A \rightarrow B \rightarrow (A \wedge B)$$
Pas prouvable
$$A \rightarrow \neg \neg A$$
$$\neg \neg A \rightarrow A$$
\end{frame}