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