Aussagenlogik/Implikationsdistribution/Wahrheitstabelle/Aufgabe

Es seien ${}p,q,r$ Aussagen. Zeige, dass

{\left((p\rightarrow q)\wedge (p\rightarrow r)\right)}\leftrightarrow {\left(p\rightarrow (q\wedge r)\right)}

eine Tautologie ist.

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