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