Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~~(F || ~~p || (F /\ r) || q)

⇒ logic.propositional.notnot

F || ~~p || (F /\ r) || q

⇒ logic.propositional.falsezeroand

F || ~~p || F || q

⇒ logic.propositional.falsezeroor

~~p || F || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q