Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
~(q -> (r /\ r)) || r || q
⇒ logic.propositional.idempand~(q -> r) || r || q
⇒ logic.propositional.defimpl~(~q || r) || r || q
⇒ logic.propositional.demorganor(~~q /\ ~r) || r || q
⇒ logic.propositional.notnot(q /\ ~r) || r || q