Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpor

F || q || ~~(p || F)

⇒ logic.propositional.falsezeroor

q || ~~(p || F)

⇒ logic.propositional.notnot

q || p || F

⇒ logic.propositional.falsezeroor

q || p