Require Import Naturelle.
Section Session1_2019_Logique_Exercice_2.

Variable A B : Prop.

Theorem Exercice_2_Naturelle : (~A) \/ B -> (~A) \/ (A /\ B).

Theorem Exercice_2_Coq : (~A) \/ B -> (~A) \/ (A /\ B).
intros.


Qed.

End Session1_2019_Logique_Exercice_2.