Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroor

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