Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
r || r || ~(~q || r) || q
⇒ logic.propositional.demorganorr || r || (~~q /\ ~r) || q
⇒ logic.propositional.idemporr || (~~q /\ ~r) || q
⇒ logic.propositional.notnotr || (q /\ ~r) || q
⇒ logic.propositional.absorporr || q