Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.absorpor

F || q || ~~p

⇒ logic.propositional.falsezeroor

q || ~~p

⇒ logic.propositional.notnot

q || p