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