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