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