Rule of Distribution/Conjunction Distributes over Disjunction/Right Distributive
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Theorem
The conjunction operator is right distributive over the disjunction operator:
Formulation 1
- $\paren {q \lor r} \land p \dashv \vdash \paren {q \land p} \lor \paren {r \land p}$
Formulation 2
- $\vdash \paren {\paren {q \lor r} \land p} \iff \paren {\paren {q \land p} \lor \paren {r \land p} }$