Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~~(~~p || F || q || ~~p)

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroor

~~p || q || ~~p

⇒ logic.propositional.notnot

p || q || ~~p

⇒ logic.propositional.notnot

p || q || p