Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.andoveror

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

⇒ logic.propositional.compland

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

⇒ logic.propositional.falsezeroor

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