Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

~~p || (q /\ q)

⇒ logic.propositional.idempand

~~p || q

⇒ logic.propositional.notnot

p || q