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