Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
~~~p -> (~~q || (F /\ r))
⇒ logic.propositional.falsezeroand~~~p -> (~~q || F)
⇒ logic.propositional.falsezeroor~~~p -> ~~q
⇒ logic.propositional.notnot~p -> ~~q
⇒ logic.propositional.notnot~p -> q
⇒ logic.propositional.defimpl~~p || q
⇒ logic.propositional.notnotp || q