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