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