Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
q || ~(q -> (r || r || r)) || r
⇒ logic.propositional.idemporq || ~(q -> (r || r)) || r
⇒ logic.propositional.idemporq || ~(q -> r) || r
⇒ logic.propositional.defimplq || ~(~q || r) || r
⇒ logic.propositional.demorganorq || (~~q /\ ~r) || r
⇒ logic.propositional.notnotq || (q /\ ~r) || r
⇒ logic.propositional.absorporq || r