Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

~~(~~p || q)

⇒ logic.propositional.notnot

~~(p || q)