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