Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
~(~~q -> r) || ~~((q || r) /\ (q || r))
⇒ logic.propositional.notnot~(~~q -> r) || ((q || r) /\ (q || r))
⇒ logic.propositional.idempand~(~~q -> r) || q || r