Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~(~~~~q -> (r || r)) || ((q || r) /\ (q || r))

⇒ logic.propositional.notnot

~(~~q -> (r || r)) || ((q || r) /\ (q || r))

⇒ logic.propositional.notnot

~(q -> (r || r)) || ((q || r) /\ (q || r))