Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.idempand

q || ~~p

⇒ logic.propositional.notnot

q || p