Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpor

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

⇒ logic.propositional.falsezeroor

q || ~~(p || p)

⇒ logic.propositional.notnot

q || p || p

⇒ logic.propositional.idempor

q || p