Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
~~~~(q || ~~p) || (F /\ r)
⇒ logic.propositional.notnot~~(q || ~~p) || (F /\ r)
⇒ logic.propositional.notnotq || ~~p || (F /\ r)
⇒ logic.propositional.notnotq || p || (F /\ r)