Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.absorpand

F || q || ~~p

⇒ logic.propositional.falsezeroor

q || ~~p

⇒ logic.propositional.notnot

q || p