Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

~~p || F || ~~q

⇒ logic.propositional.falsezeroor

~~p || ~~q

⇒ logic.propositional.notnot

p || ~~q

⇒ logic.propositional.notnot

p || q