Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

~~p || q || ~~p || q

⇒ logic.propositional.idempor

~~p || q

⇒ logic.propositional.notnot

p || q