Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

~(~~((q -> r) || F) || F) || ~~q || r

⇒ logic.propositional.falsezeroor

~~~((q -> r) || F) || ~~q || r

⇒ logic.propositional.notnot

~((q -> r) || F) || ~~q || r

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.falsezeroor

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