Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.falsezeroand

~~p || F || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q