Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~(~((q || ~~~r) /\ (q || p)) || ~~q)

⇒ logic.propositional.notnot

~(~((q || ~r) /\ (q || p)) || ~~q)

⇒ logic.propositional.demorganand

~(~(q || ~r) || ~(q || p) || ~~q)

⇒ logic.propositional.demorganor

~((~q /\ ~~r) || ~(q || p) || ~~q)

⇒ logic.propositional.demorganor

~((~q /\ ~~r) || (~q /\ ~p) || ~~q)

⇒ logic.propositional.notnot

~((~q /\ r) || (~q /\ ~p) || ~~q)

⇒ logic.propositional.notnot

~((~q /\ r) || (~q /\ ~p) || q)