Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~(F || ~q || r) || F || q || r

⇒ logic.propositional.falsezeroor

~(~q || r) || F || q || r

⇒ logic.propositional.demorganor

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

⇒ logic.propositional.notnot

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