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